You're in Home Security

Need a Personal Shopper?

Subscribe to
Bizrate emails for the hottest
deals & products
,
PLUS a chance to

WIN $25

sign me up!

New winners chosen weekly.
No purchase necessary.

Best Seller
Sensaphone Magnetic Reed Switch for 400 and 800

Sensaphone Magnetic Reed Switch for 400 and 800

for 400 and 800 connects to Model 400, Model 800, or Model 1800 using 22-gauge accessory wire,monitors one door or window,includes mounting hardware and screws ... more

Sensaphone Magnetic Reed Switch for 400 and 800

for 400 and 800 connects to Model 400, Model 800, or Model 1800 using 22-gauge accessory wire,monitors one door or window,includes mounting hardware and screws

Crutchfield Electronics

$10.00

go to store
Sensaphone Magnetic Reed Switch for 400 and 800

Sensaphone Magnetic Reed Switch for 400 and 800

for 400 and 800 connects to Model 400, Model 800, or Model 1800 using 22-gauge accessory wire,monitors one door or window,includes mounting hardware and screws ... more

Sensaphone Magnetic Reed Switch for 400 and 800

for 400 and 800 connects to Model 400, Model 800, or Model 1800 using 22-gauge accessory wire,monitors one door or window,includes mounting hardware and screws

Crutchfield

(300,000+)

$10.00

go to store

Crutchfield

(300,000+)
Best Seller
Wire Contact Sensor Sets

Wire Contact Sensor Sets

Semi-Annual Sale Starts Now! Shop & Save!

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...

$15.94

go to store
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

FREE shipping

go to store
1 Set RC-33B NC+NO Magnetic Window Door Contact Alarm Reed Switch Recessed

1 Set RC-33B NC+NO Magnetic Window Door Contact Alarm Reed Switch Recessed

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-33B NC+NO Magnetic Window Door Contact Alarm Reed Switch Recessed

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...

$17.99 $8.91

FREE shipping

go to store
1 Set RC-36 NC Recessed Window Door Contact Magnetic Alarm Reed Switch Brown

1 Set RC-36 NC 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 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...

$16.99 $8.42

FREE shipping

go to store
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 $10.25

go to store
FireKing Magnetic Door & Window Contact Alarm - (1 Each) (Master), White

FireKing Magnetic Door & Window Contact Alarm - (1 Each) (Master), White

Magnetic window and door alarm protects your home or office from intruders. Magnetic sensor detects when opened to quickly signal when a break-in occurs. 110-decibel alarm delivers a loud alert signal to notify you and scare off potential intruders.... ... more

FireKing Magnetic Door & Window Contact Alarm - (1 Each) (Master), White

Magnetic window and door alarm protects your home or office from intruders. Magnetic sensor detects when opened to quickly signal when a break-in occurs. 110-decibel alarm delivers a loud alert signal to notify you and scare off potential intruders....

Overstock.com

(675,000+)

$14.09

go to store

Overstock.com

(675,000+)
1 Set RC-33B NC Magnetic Window Door Contact Alarm Reed Switch Recessed

1 Set RC-33B NC Magnetic Window Door Contact Alarm Reed Switch Recessed

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. ... more

1 Set RC-33B NC Magnetic Window Door Contact Alarm Reed Switch Recessed

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.

$14.99 $7.46

FREE shipping

go to store
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

go to store
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

FREE shipping

go to store
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

FREE shipping

go to store
2pcs NO/NC Wired Door Window Contact Magnetic Reed Switch Home Alarm System

2pcs NO/NC Wired Door Window Contact Magnetic Reed Switch Home Alarm System

Description: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 type), the circuit is open normally, and, that if a magnet comes near it, the circuit... ... more

2pcs NO/NC Wired Door Window Contact Magnetic Reed Switch Home Alarm System

Description: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 type), the circuit is open normally, and, that if a magnet comes near it, the circuit...

$30.99 $15.09

FREE shipping

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
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

go to store
Unique Bargains Pair Rolling Magnetic Contact Reed NC Gate Door Switch Alarm Security Accessory

Unique Bargains Pair Rolling Magnetic Contact Reed NC Gate Door Switch Alarm Security Accessory

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 Pair Rolling Magnetic Contact Reed NC Gate Door Switch Alarm Security Accessory

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...

$42.99 $21.02

FREE shipping

go to store
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

FREE shipping

go to store
Pair Rolling Magnetic Contact Reed NC Gate Switch Home Alarm Security Accessory

Pair Rolling Magnetic Contact Reed NC Gate Switch Home Alarm Security Accessory

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 Rolling Magnetic Contact Reed NC Gate Switch Home Alarm Security Accessory

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 $12.29

FREE shipping

go to store
20 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8"

20 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8"

"Size: 3/8""Gap: We recommend no more than a 5/8"" GapWire Lead Gauge: 22 AWGWire Lead Length: 18""Magnet Dimensions: 3/8"" x 1/8"" x 3/8""" ... more

20 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8"

"Size: 3/8""Gap: We recommend no more than a 5/8"" GapWire Lead Gauge: 22 AWGWire Lead Length: 18""Magnet Dimensions: 3/8"" x 1/8"" x 3/8"""

$27.95

FREE shipping

go to store
2 Set ABS Housing NC NO Optional Door Window Magnetic Contact Reed Switch

2 Set ABS Housing NC NO Optional Door Window Magnetic Contact Reed Switch

Unique Bargains 2 Set White ABS Housing NC NO Optional Door Window Magnetic Contact Reed SwitchAnti-fire ABS shieldConnecting mode:N.C./ N.O./COM Change OverRated current:500(mA)?Rated? voltage:(VDC) 100?Operating distance:more than 15mm, less than... ... more

2 Set ABS Housing NC NO Optional Door Window Magnetic Contact Reed Switch

Unique Bargains 2 Set White ABS Housing NC NO Optional Door Window Magnetic Contact Reed SwitchAnti-fire ABS shieldConnecting mode:N.C./ N.O./COM Change OverRated current:500(mA)?Rated? voltage:(VDC) 100?Operating distance:more than 15mm, less than...

$23.99 $11.89

FREE shipping

go to store
10 pk 3/8" Recessed Door Window Security Alarm Switch Reed Contact Magnet Brown

10 pk 3/8" Recessed Door Window Security Alarm Switch Reed Contact Magnet Brown

"Ideal for tight fitting window frames where you cannot drill a hole for magnetSize: 3/8""Gap: We recommend no more than a 5/8"" GapWire Lead Gauge: 22 AWGWire Lead Length: 18""Magnet Dimensions: 3/8"" x 1/8"" x 3/8""Contact Dimensions: 11mm x 19mm x... ... more

10 pk 3/8" Recessed Door Window Security Alarm Switch Reed Contact Magnet Brown

"Ideal for tight fitting window frames where you cannot drill a hole for magnetSize: 3/8""Gap: We recommend no more than a 5/8"" GapWire Lead Gauge: 22 AWGWire Lead Length: 18""Magnet Dimensions: 3/8"" x 1/8"" x 3/8""Contact Dimensions: 11mm x 19mm x...

$15.95

FREE shipping

go to store
Recessed Wired Magnetic Contact Reed Electric Gate Switch Alarm Security

Recessed Wired Magnetic Contact Reed Electric Gate Switch Alarm Security

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

Recessed Wired Magnetic Contact Reed Electric Gate Switch Alarm Security

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...

$38.99 $19.10

FREE shipping

go to store
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

go to store
Unique Bargains2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

Unique Bargains2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

Switch Type: NO/NC, 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. etc.Screw... ... more

Unique Bargains2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

Switch Type: NO/NC, 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. etc.Screw...

$20.99 $10.43

FREE shipping

go to store