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Best Seller
20pk White Terminal Pill Magnetic Door Window Contact Reed Switch Security Alarm

20pk White Terminal Pill Magnetic Door Window Contact Reed Switch Security Alarm

"Size: 1-1/8"" x 7/16"" x 1/4""Operate 3/4"" Gap minimum3M AdhesiveEasy & Quick installationAllows for window track installs without drilling into the frames" ... more

20pk White Terminal Pill Magnetic Door Window Contact Reed Switch Security Alarm

"Size: 1-1/8"" x 7/16"" x 1/4""Operate 3/4"" Gap minimum3M AdhesiveEasy & Quick installationAllows for window track installs without drilling into the frames"

$32.95

FREE shipping

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50pk White Terminal Pill Magnetic Door Window Contact Reed Switch Security Alarm

50pk White Terminal Pill Magnetic Door Window Contact Reed Switch Security Alarm

"Operate 3/4"" Gap minimum3M AdhesiveEasy & Quick installationAllows for window track installs without drilling into the framesWhen the magnet is next to the switch, the loop is open" ... more

50pk White Terminal Pill Magnetic Door Window Contact Reed Switch Security Alarm

"Operate 3/4"" Gap minimum3M AdhesiveEasy & Quick installationAllows for window track installs without drilling into the framesWhen the magnet is next to the switch, the loop is open"

$72.95

FREE shipping

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Best Seller
Wire Contact Sensor Sets

Wire Contact Sensor Sets

Up to 70% off Outdoor Furniture Sale. Shop NOW!

Contact sensor set protects additional windows & doors when added to our alarm system. Two pairs of magnetic contacts and 60 feet of connecting wire for alarm extension. Up to 6 sets of contacts can be connected in line. Contacts can be used with Ideal... ... more

Wire Contact Sensor Sets

Contact sensor set protects additional windows & doors when added to our alarm system. Two pairs of magnetic contacts and 60 feet of connecting wire for alarm extension. Up to 6 sets of contacts can be connected in line. Contacts can be used with Ideal...

$15.99

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Ideal SecurityPool Gate & Patio Door Alarm: Bypass, dual sensors, on/off, White

Ideal SecurityPool Gate & Patio Door Alarm: Bypass, dual sensors, on/off, White

Drowning is the leading cause of accidental death among children. Keep your children safe and enjoy your summers with Ideal Security's SK644 Pool Gate & Patio Door Alarm. Designed for pools The SK644 uses magnetic contact sensors that can be used both... ... more

Ideal SecurityPool Gate & Patio Door Alarm: Bypass, dual sensors, on/off, White

Drowning is the leading cause of accidental death among children. Keep your children safe and enjoy your summers with Ideal Security's SK644 Pool Gate & Patio Door Alarm. Designed for pools The SK644 uses magnetic contact sensors that can be used both...

$29.99 $21.59

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Ideal SecurityContact Sensor Sets

Ideal SecurityContact Sensor Sets

Contact sensor set Protects additional windows & doors when added to our alarm system. Two pairs of magnetic contacts and 60 feet of connecting wire for alarm extension. Up to 6 sets of contacts can be connected in line Contacts can be used with Ideal... ... more

Ideal SecurityContact Sensor Sets

Contact sensor set Protects additional windows & doors when added to our alarm system. Two pairs of magnetic contacts and 60 feet of connecting wire for alarm extension. Up to 6 sets of contacts can be connected in line Contacts can be used with Ideal...

$13.99 $9.33

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3 pcs white recessed door contacts nc security alarm window sensors with magnetic reed switch. these door contact position switches (dcs) work with all access control and burglar alarm systems

3 pcs white recessed door contacts nc security alarm window sensors with magnetic reed switch. these door contact position switches (dcs) work with all access control and burglar alarm systems

these are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. the door position switches operate with a built an internal magnetic reed switch that closes... ... more

3 pcs white recessed door contacts nc security alarm window sensors with magnetic reed switch. these door contact position switches (dcs) work with all access control and burglar alarm systems

these are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. the door position switches operate with a built an internal magnetic reed switch that closes...

$27.08

FREE shipping

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1 pcs white recessed door contacts nc security alarm window sensors with magnetic reed switch. these door contact position switches (dcs) work with all access control and burglar alarm systems

1 pcs white recessed door contacts nc security alarm window sensors with magnetic reed switch. these door contact position switches (dcs) work with all access control and burglar alarm systems

these are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. the door position switches operate with a built an internal magnetic reed switch that closes... ... more

1 pcs white recessed door contacts nc security alarm window sensors with magnetic reed switch. these door contact position switches (dcs) work with all access control and burglar alarm systems

these are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. the door position switches operate with a built an internal magnetic reed switch that closes...

$18.44

FREE shipping

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ALEKO 5BS-MC27ST 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO 5BS-MC27ST 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 5BS-MC27ST 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$13.30

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ALEKO 10BS-MC08R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

ALEKO 10BS-MC08R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 10BS-MC08R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$26.12

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ALEKO 5BS-MC105R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO 5BS-MC105R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 5BS-MC105R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$9.35 $8.63

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ALEKO 10BS-MC12S-M 10 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO 10BS-MC12S-M 10 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 10BS-MC12S-M 10 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$14.51

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ALEKO BS-MC27ST 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO BS-MC27ST 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO BS-MC27ST 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$6.64

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ALEKO 5BS-MC03R-L 5 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

ALEKO 5BS-MC03R-L 5 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 5BS-MC03R-L 5 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$8.98

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ALEKO BS-MC105R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO BS-MC105R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO BS-MC105R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$6.93

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ALEKO BS-MC10R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO BS-MC10R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO BS-MC10R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$6.16

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ALEKO 5BS-MC10R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO 5BS-MC10R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 5BS-MC10R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$11.10

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ALEKO BS-MC08R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO BS-MC08R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO BS-MC08R 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$6.10 $5.54

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ALEKO 10BS-MC27ST 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

ALEKO 10BS-MC27ST 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 10BS-MC27ST 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$14.76

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ALEKO 10BS-MC03R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

ALEKO 10BS-MC03R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 10BS-MC03R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$16.04

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ALEKO BS-MC12S-M 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO BS-MC12S-M 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO BS-MC12S-M 1 Set Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$6.16

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ALEKO 10BS-MC03R-L 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

ALEKO 10BS-MC03R-L 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 10BS-MC03R-L 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$14.80

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ALEKO 5BS-MC12S-M 5 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

ALEKO 5BS-MC12S-M 5 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 5BS-MC12S-M 5 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$8.63

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ALEKO 10BS-MC10R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

ALEKO 10BS-MC10R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 10BS-MC10R 10 Sets of Magnetic Contact Reed Switches Security Alarm Contacts For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$21.11

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ALEKO 5BS-MC08R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO 5BS-MC08R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 5BS-MC08R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$14.99

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ALEKO 5BS-MC03R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO 5BS-MC03R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be... ... more

ALEKO 5BS-MC03R 5 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of no contact the alarm will be...

$8.90 $7.98

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1 Set RC-36 NC+NO Recessed Window Door Contact Magnetic Alarm Reed Switch Brown

1 Set RC-36 NC+NO Recessed Window Door Contact Magnetic Alarm Reed Switch Brown

Description:Easy to install and easy to use.Widely used in security window door carbinet contact.Recessed mounting, white ABS fireproof plastic shell which has a long machanical life.For CALIFORNIA residents only: WARNING: This product contains... ... more

1 Set RC-36 NC+NO Recessed Window Door Contact Magnetic Alarm Reed Switch Brown

Description:Easy to install and easy to use.Widely used in security window door carbinet contact.Recessed mounting, white ABS fireproof plastic shell which has a long machanical life.For CALIFORNIA residents only: WARNING: This product contains...

$20.99 $10.07

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uxcell Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch White

uxcell Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch White

uxcell Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch White ... more

uxcell Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch White

uxcell Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch White

$13.10

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Unique Bargains 2Pcs Door Window Contact Magnetic Reed Switch Alarm Home Security System White

Unique Bargains 2Pcs Door Window Contact Magnetic Reed Switch Alarm Home Security System White

Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens door or window... ... more

Unique Bargains 2Pcs Door Window Contact Magnetic Reed Switch Alarm Home Security System White

Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens door or window...

$57.99 $28.87

FREE shipping

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Unique Bargains 2Pcs Door Window Contact Magnetic Reed Switch Alarm Home Security System White

Unique Bargains 2Pcs Door Window Contact Magnetic Reed Switch Alarm Home Security System White

Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens door or window... ... more

Unique Bargains 2Pcs Door Window Contact Magnetic Reed Switch Alarm Home Security System White

Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens door or window...

$24.99 $12.03

FREE shipping

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3 Sets NO Recessed Door Window Contact Magnetic Reed Switch Alarm Security

3 Sets NO Recessed Door Window Contact Magnetic Reed Switch Alarm Security

Description:Screw surface mount contact, white ABS housing. 27cm long wire lead that is side mounted. Comes with twelve installation screws.Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the... ... more

3 Sets NO Recessed Door Window Contact Magnetic Reed Switch Alarm Security

Description:Screw surface mount contact, white ABS housing. 27cm long wire lead that is side mounted. Comes with twelve installation screws.Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the...

$20.99 $10.08

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Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch

Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch

NO NC type designed for use with alarm systems. Great for use in family and factory window, door. etc.Switch Type: NC(normal close type), the circuit is closed normally, and, that if a magnet comes near it, the circuit opens.Switch Type: NO(normal open... ... more

Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch

NO NC type designed for use with alarm systems. Great for use in family and factory window, door. etc.Switch Type: NC(normal close type), the circuit is closed normally, and, that if a magnet comes near it, the circuit opens.Switch Type: NO(normal open...

$18.99 $9.31

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Unique Bargains Pair Wired Rolling Magnetic Contact Reed Window Door Switch Home Alarm Security

Unique Bargains Pair Wired Rolling Magnetic Contact Reed Window Door Switch Home Alarm Security

Description:Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens... ... more

Unique Bargains Pair Wired Rolling Magnetic Contact Reed Window Door Switch Home Alarm Security

Description:Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens...

$28.99 $14.09

FREE shipping

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Pair Wired Rolling Magnetic Contact Reed Switch Alarm Security f Window Door

Pair Wired Rolling Magnetic Contact Reed Switch Alarm Security f Window Door

Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens door or window... ... more

Pair Wired Rolling Magnetic Contact Reed Switch Alarm Security f Window Door

Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens door or window...

$49.99 $24.55

FREE shipping

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2Pair Wired Rolling Magnetic Contact Reed Switch Alarm Security for Window Door

2Pair Wired Rolling Magnetic Contact Reed Switch Alarm Security for Window Door

Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens door or window... ... more

2Pair Wired Rolling Magnetic Contact Reed Switch Alarm Security for Window Door

Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc.The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.Sharp alarm will be heard when someone opens door or window...

$22.99 $11.30

FREE shipping

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5 x Door Window Normal Closed Contact Security Alarm Magnetic Reed Switch Sets

5 x Door Window Normal Closed Contact Security Alarm Magnetic Reed Switch Sets

" Switch Type: NC(normal closed type), the circuit is closed normally, and, that if a magnet not near it, the circuit open. The Reed Switch is an electrical switch operated by an applied magnetic field. There are two types of reed switches: normally... ... more

5 x Door Window Normal Closed Contact Security Alarm Magnetic Reed Switch Sets

" Switch Type: NC(normal closed type), the circuit is closed normally, and, that if a magnet not near it, the circuit open. The Reed Switch is an electrical switch operated by an applied magnetic field. There are two types of reed switches: normally...

$25.99 $12.57

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2 Pcs MJ-32 Alarm Security Magnetic Door Window Contact Reed Switch NO

2 Pcs MJ-32 Alarm Security Magnetic Door Window Contact Reed Switch NO

Switch Type: NO(normal open type), circuit is connected when magnet is near the switch.The reed switch is an electrical switch operated by an applied magnetic field.Designed for use with alarm systems. Great for use in family and factory window, door.... ... more

2 Pcs MJ-32 Alarm Security Magnetic Door Window Contact Reed Switch NO

Switch Type: NO(normal open type), circuit is connected when magnet is near the switch.The reed switch is an electrical switch operated by an applied magnetic field.Designed for use with alarm systems. Great for use in family and factory window, door....

$18.99 $9.35

FREE shipping

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Recessed Door Window Contacts Magnetic Reed Security Alarm Switch

Recessed Door Window Contacts Magnetic Reed Security Alarm Switch

Recessed Door Window Contacts Magnetic Reed Security Alarm Switch ... more

Recessed Door Window Contacts Magnetic Reed Security Alarm Switch

Recessed Door Window Contacts Magnetic Reed Security Alarm Switch

$7.23

FREE shipping

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Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch

Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch

NO NC type designed for use with alarm systems. Great for use in family and factory window, door. etc.Switch Type: NC(normal close type), the circuit is closed normally, and, that if a magnet comes near it, the circuit opens.Switch Type: NO(normal open... ... more

Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch

NO NC type designed for use with alarm systems. Great for use in family and factory window, door. etc.Switch Type: NC(normal close type), the circuit is closed normally, and, that if a magnet comes near it, the circuit opens.Switch Type: NO(normal open...

$23.99 $11.67

FREE shipping

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3xNormally Open Wired Security Alarm Door Window Magnetic Contacts Reed Switch

3xNormally Open Wired Security Alarm Door Window Magnetic Contacts Reed Switch

Description:Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the circuit closed.The reed switch is an electrical switch operated by an applied magnetic field.Designed for use with alarm systems.... ... more

3xNormally Open Wired Security Alarm Door Window Magnetic Contacts Reed Switch

Description:Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the circuit closed.The reed switch is an electrical switch operated by an applied magnetic field.Designed for use with alarm systems....

$17.99 $8.57

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