![Amazon.com: UHPPOTE Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact for Window Door Security (Pack of 5) : Electronics Amazon.com: UHPPOTE Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact for Window Door Security (Pack of 5) : Electronics](https://m.media-amazon.com/images/I/616r6v5L+LL.jpg)
Amazon.com: UHPPOTE Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact for Window Door Security (Pack of 5) : Electronics
![Wireless Door Alarm Windows Open Alarms Magnetic Security Sensor Pool Door Alarm for Kids Safety Alzheimer's Exit Monitor Apartment Alarm - Walmart.com Wireless Door Alarm Windows Open Alarms Magnetic Security Sensor Pool Door Alarm for Kids Safety Alzheimer's Exit Monitor Apartment Alarm - Walmart.com](https://i5.walmartimages.com/asr/59d449d9-9e8e-4826-8fad-310a8a56874b.6c686dd8e9a04c6fcd4ab29e29a9f1d3.jpeg)
Wireless Door Alarm Windows Open Alarms Magnetic Security Sensor Pool Door Alarm for Kids Safety Alzheimer's Exit Monitor Apartment Alarm - Walmart.com
![Screw Mounted Contact Switch Magnetic Door/window Sensor Bs-2021 - Buy Wired Automatic Contact Switch,Burglar Alarm,Door Magnetic Contacts Product on Alibaba.com Screw Mounted Contact Switch Magnetic Door/window Sensor Bs-2021 - Buy Wired Automatic Contact Switch,Burglar Alarm,Door Magnetic Contacts Product on Alibaba.com](http://sc04.alicdn.com/kf/H3c558e44a9fc4dce9ec8a69e0c06b64cW.jpg)
Screw Mounted Contact Switch Magnetic Door/window Sensor Bs-2021 - Buy Wired Automatic Contact Switch,Burglar Alarm,Door Magnetic Contacts Product on Alibaba.com
![Wireless Digital Door / Window Alarm with Programmable Security Keypad (Model PPS-SF021) – Vigilant Personal Protection Systems by Mace Wireless Digital Door / Window Alarm with Programmable Security Keypad (Model PPS-SF021) – Vigilant Personal Protection Systems by Mace](https://cdn.shopify.com/s/files/1/1188/9658/products/PPS_220AK__96680.1432070299.1280.1280_large.png?v=1456697515)
Wireless Digital Door / Window Alarm with Programmable Security Keypad (Model PPS-SF021) – Vigilant Personal Protection Systems by Mace
![Amazon.com : 10 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8" : Electronics Amazon.com : 10 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8" : Electronics](https://m.media-amazon.com/images/I/41jDf1wVw8L._AC_UF894,1000_QL80_.jpg)
Amazon.com : 10 pk Recessed White Door Window Security Alarm Switch Reed Contact Magnet 3/8" : Electronics
![Amazon.com: QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 10 with 40 Screws : Industrial & Scientific Amazon.com: QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 10 with 40 Screws : Industrial & Scientific](https://m.media-amazon.com/images/I/31RZ0DEGI8L._AC_.jpg)
Amazon.com: QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 10 with 40 Screws : Industrial & Scientific
![Oem Normally Open Closed Wired Metal Detectors Door Prices 12v 24v Alarm Window Door Contact Sensor Magnetic Reed Switch - Buy Door Or Window Magnetic Contact Switch,Magnetic Contact Sensor 2 Wires Reed Oem Normally Open Closed Wired Metal Detectors Door Prices 12v 24v Alarm Window Door Contact Sensor Magnetic Reed Switch - Buy Door Or Window Magnetic Contact Switch,Magnetic Contact Sensor 2 Wires Reed](http://sc04.alicdn.com/kf/Ha66d71ffb0e44b0eaea66f7fe979048cW.png)
Oem Normally Open Closed Wired Metal Detectors Door Prices 12v 24v Alarm Window Door Contact Sensor Magnetic Reed Switch - Buy Door Or Window Magnetic Contact Switch,Magnetic Contact Sensor 2 Wires Reed
![TANE Wired Side Lead Surface Mount Magnetic Contact BROWN Color Alarm Window Security Magnetic Door Switch Magnetic Contact Switch Reed Switch Normally Open + UL Listed FM-102-BR - FPC Security TANE Wired Side Lead Surface Mount Magnetic Contact BROWN Color Alarm Window Security Magnetic Door Switch Magnetic Contact Switch Reed Switch Normally Open + UL Listed FM-102-BR - FPC Security](https://fpcsecurity.b-cdn.net/wp-content/uploads/2021/08/surface-mount-contact-front-FM-102-BR-tane.jpg)
TANE Wired Side Lead Surface Mount Magnetic Contact BROWN Color Alarm Window Security Magnetic Door Switch Magnetic Contact Switch Reed Switch Normally Open + UL Listed FM-102-BR - FPC Security
![Amazon.com: 10 Sets Pack of Wired Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape : Electronics Amazon.com: 10 Sets Pack of Wired Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape : Electronics](https://m.media-amazon.com/images/I/51Dwo8VC5FL._AC_UF894,1000_QL80_.jpg)