Best Seller
Wired Door Window Sensor Magnetic Switch Fireproof ABS Alarm System 200V 10W

Wired Door Window Sensor Magnetic Switch Fireproof ABS Alarm System 200V 10W

Features:Apply fireproof ABS material, solid and durable.Streamline design, fine appearance.Simple and fast to install in minutes.Has high impact and heat resistance function.Anti-corrosion and low temperature resistant.Descriptions:With good... more

$8.19

FREE shipping

go to store
YA-YK03 Portable Compact 433MHz Wireless Remote Control Switch Universal Electric Door Magnet Family Security Alarm Controller

YA-YK03 Portable Compact 433MHz Wireless Remote Control Switch Universal Electric Door Magnet Family Security Alarm Controller

$11.76

FREE shipping

go to store
Best Seller
YA-YK03 Portable Compact 433MHz Wireless Remote Control Switch Universal Electric Door Magnet Family Security Alarm Controller

YA-YK03 Portable Compact 433MHz Wireless Remote Control Switch Universal Electric Door Magnet Family Security Alarm Controller

YA-YK03 Portable Compact 433MHz Wireless Remote Control Switch Universal Electric Door Magnet Family Security Alarm ControllerFeatures:100% brand new and high... more

$5.85

FREE shipping

go to store
Unique Bargains Wireless Rolling Magnetic Contact Reed Detector Door Switch Alarm Security White

Unique Bargains Wireless Rolling Magnetic Contact Reed Detector Door Switch Alarm Security 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

$63.99 $31.68

FREE shipping

go to store
YA-YK03 Portable Compact 433MHz Wireless Remote Control Switch Universal Electric Door Magnet Family Security Alarm Controller

YA-YK03 Portable Compact 433MHz Wireless Remote Control Switch Universal Electric Door Magnet Family Security Alarm Controller

"YA-YK03 Portable Compact 433MHz Wireless Remote Control Switch Universal Electric Door Magnet Family Security Alarm ControllerFeatures:100% brand new and high quality.High stability: imported SMD components with SMT, surface acoustic resonator... more

$19.04

FREE shipping

go to store
Screw Mount Household Window Door Contacts Magnetic Switch Alarm System Security

Screw Mount Household Window Door Contacts Magnetic Switch Alarm System Security

Features: DC 110V rated voltage, 0.5A rated current, 5mm mounting hole diameter. Suitable to used on the windows or door of apartment, hotel, office, etc. The entry alarm adopts magnetic sensor design to warn you if the strange entry from the windows... more

$28.99 $14.23

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

$17.99 $8.91

FREE shipping

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

$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

$25.26

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

$16.99 $9.13

FREE shipping

go to store
THZY Magnetic Sensor Home Door Window Entry Warning Alarm Switch

THZY Magnetic Sensor Home Door Window Entry Warning Alarm Switch

* Magnetic Sensor Home Door Window Entry Warning Alarm Switch* Suitable to used in apartment, hotel, office, etc;* The Entry Alarm adopts magnetic sensor design to detect any entry from door or window; * Once the two part of this alarm set is... more

$6.22

FREE shipping

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

"50 pk White 3/8"" Recessed Wired Security Alarm Door Window Switch Contact Magnet"

"3/8"" Door Contacts with MagnetWorks for all alarm systems that have hardwired zones3/4"" gap closed loop magnetic contact that features a terminal block style connection for accepting wireHave 18"" Wire LeadsPress fit design makes installation easy" more

$56.95

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

$27.95

FREE shipping

go to store
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

$32.95

FREE shipping

go to store
Pair Rolling Magnetic Contact Reed White Switch Alarm Security for Gate Door

Pair Rolling Magnetic Contact Reed White Switch Alarm Security for Gate 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

$25.99 $12.67

FREE shipping

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

$8.90 $7.98

go to store
2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security more

$38.00 $25.14

FREE shipping

go to store
10pk White Terminal Pill Magnetic Door Window Contact Reed Switch Security Alarm

10pk 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

$18.95

FREE shipping

go to store
Unique Bargains Wired Rolling Magnetic Contact Reed Gate Door Switch Home Alarm Security

Unique Bargains Wired Rolling Magnetic Contact Reed Gate Door Switch Home 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

$104.99 $52.24

FREE shipping

go to store
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

$57.99 $28.87

FREE shipping

go to store
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

$24.99 $12.03

FREE shipping

go to store
Door Window Contact Magnetic Reed Switch Alarm Home Security System White

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

$18.99 $9.47

FREE shipping

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

$14.51

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

$6.64

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

$8.98

go to store
Wired Door Window Sensor Home Alarm Magnetic Switch With Screws

Wired Door Window Sensor Home Alarm Magnetic Switch With Screws

Wired Door Window Sensor Home Alarm Magnetic Switch With Screws more

$7.58

FREE shipping

go to store
2pcs NO Recessed Wired Door Window Sensor Magnetic Switch Home Alarm 15-25mm

2pcs NO Recessed Wired Door Window Sensor Magnetic Switch Home Alarm 15-25mm

Description:Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the circuit closed.For CALIFORNIA residents only: WARNING: This product contains chemicals known to the State of California to cause... more

$17.99 $8.55

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

$20.99 $10.43

FREE shipping

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

$6.16

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

$11.10

go to store
ALEKO 10BS-MC18S 10 Sets of Magnetic Contact Reed Switch Security Alarm Contact For Doors Windows and Other Applications

ALEKO 10BS-MC18S 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

$20.50

go to store
Wired Door Window Sensor Magnetic Switch Home Normally Closed Alarm System 352

Wired Door Window Sensor Magnetic Switch Home Normally Closed Alarm System 352

Wired Door Window Sensor Magnetic Switch Home Normally Closed Alarm System 352Features:Made of premium metal material, solid and durable for long term using.Simple to install and convenient to use.Not easy to be seen, with good security alarm... more

$9.98

FREE shipping

go to store
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

$72.95

FREE shipping

go to store
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

$28.99 $14.09

FREE shipping

go to store
Unique Bargains Pairs Rolling Magnetic Contact Reed Metal Gate Door Switch Home Alarm Security

Unique Bargains Pairs Rolling Magnetic Contact Reed Metal Gate Door Switch Home 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

$38.99 $19.15

FREE shipping

go to store
NO Rolling Gate Magnet Sensor Garage Door Magnetic Reed Switch Alarm 30-40mm

NO Rolling Gate Magnet Sensor Garage Door Magnetic Reed Switch Alarm 30-40mm

Description:Screw surface mount contact, silver gray zinc alloy housing. 54cm long wire lead. Comes with four installation screws.Switch Type: NO(normal open type), the circuit is open normally, and, that if a magnet comes near it, the circuit... more

$45.99 $22.85

FREE shipping

go to store
Door Window Security Home Alarm Contact Surface Reed Switch Sensor Brown 10/pk

Door Window Security Home Alarm Contact Surface Reed Switch Sensor Brown 10/pk

"Surface wired magnetic contactMini Stick-on contact with flangeSelf adhesive or screw mountMounting screws and self-stick strips includedDesigned for doors or windowsCenter leads with 22 AWG and 18"" lengthBrown Color1"" GapContact Dimensions: 33mm x... more

$16.95

FREE shipping

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

1 Set RC-33A 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

$17.99 $8.77

FREE shipping

go to store
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

$13.10

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

$6.10 $5.54

go to store

More information about Home Security

Best prices on Door alarm switch in Home Security. Check out Bizrate for great deals on popular brands like Alarm Lock, Directed and Doberman Security. Use Bizrate's latest online shopping features to compare prices. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. Easily narrow your search and find the product that's perfect for you.