![N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs - Ideal Supply Inc (dba Ideal Blasting Supply) N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs - Ideal Supply Inc (dba Ideal Blasting Supply)](https://cdn11.bigcommerce.com/s-cru6v6697o/images/stencil/1280x1280/products/8636/17013/magneticdoorswitch__62698.1594129297.jpg?c=2)
N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs - Ideal Supply Inc (dba Ideal Blasting Supply)
![Amazon.com: 3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V Light : Industrial & Scientific Amazon.com: 3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V Light : Industrial & Scientific](https://m.media-amazon.com/images/I/51uuRZCY5SL.jpg)
Amazon.com: 3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V Light : Industrial & Scientific
![2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light - Ideal Supply Inc (dba 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light - Ideal Supply Inc (dba](https://cdn11.bigcommerce.com/s-cru6v6697o/images/stencil/1280x1280/products/8635/17010/magnetic_switch_led__33722.1594128860.jpg?c=2)
2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light - Ideal Supply Inc (dba
![Wholesale Reed Switch 3 pin Magnetic Reed Switch Normally Open and Normally Closed Conversion 2.5X14mm NO NC From m.alibaba.com Wholesale Reed Switch 3 pin Magnetic Reed Switch Normally Open and Normally Closed Conversion 2.5X14mm NO NC From m.alibaba.com](https://sc04.alicdn.com/kf/H93b294350fe2444cae1876493b8078a4k.jpg)
Wholesale Reed Switch 3 pin Magnetic Reed Switch Normally Open and Normally Closed Conversion 2.5X14mm NO NC From m.alibaba.com
![Amazon.com: 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Electronics Amazon.com: 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Electronics](https://m.media-amazon.com/images/S/aplus-media/sc/e6313d86-6664-452f-803d-323093cbbd4f.__CR0,0,300,300_PT0_SX300_V1___.jpg)
Amazon.com: 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Electronics
![Contact Magnetic Sensor Reed Switch Alarm | Magnetic Sensor Reed Switch Pneumatics - Window Door Sensor - Aliexpress Contact Magnetic Sensor Reed Switch Alarm | Magnetic Sensor Reed Switch Pneumatics - Window Door Sensor - Aliexpress](https://ae01.alicdn.com/kf/H06fe6034faaf4af9a08caf0b0b34a4024/AC110-220V-2A-NO-or-NC-type-Proximity-Magnetic-Sensor-Reed-Switch-Perfect-High-Speed-Switch.jpg)
Contact Magnetic Sensor Reed Switch Alarm | Magnetic Sensor Reed Switch Pneumatics - Window Door Sensor - Aliexpress
![Reed Switch 2 Pin Magnetic Switchesnormally Open Closed No Nc Conversion for Sensors - China Magnetic Reed Switch, Switch Sensor | Made-in-China.com Reed Switch 2 Pin Magnetic Switchesnormally Open Closed No Nc Conversion for Sensors - China Magnetic Reed Switch, Switch Sensor | Made-in-China.com](https://image.made-in-china.com/44f3j00bDsVQymMQNrF/Reed-Switch-2-Pin-Magnetic-Switchesnormally-Open-Closed-No-Nc-Conversion-for-Sensors.webp)
Reed Switch 2 Pin Magnetic Switchesnormally Open Closed No Nc Conversion for Sensors - China Magnetic Reed Switch, Switch Sensor | Made-in-China.com
![Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-58 : Tools & Home Improvement Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-58 : Tools & Home Improvement](https://m.media-amazon.com/images/S/aplus-media/sc/21773d95-776e-4829-9bdd-de31464aaa59.__CR0,0,970,600_PT0_SX970_V1___.jpg)
Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-58 : Tools & Home Improvement
![Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (white-31) : Industrial & Scientific Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (white-31) : Industrial & Scientific](https://m.media-amazon.com/images/I/61Jx3nQUTfL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (white-31) : Industrial & Scientific
![Amazon.com: Magnetic Reed Switch RC-36 NC Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 5 (Brown) : Industrial & Scientific Amazon.com: Magnetic Reed Switch RC-36 NC Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 5 (Brown) : Industrial & Scientific](https://m.media-amazon.com/images/I/51ZP7e-04RL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Magnetic Reed Switch RC-36 NC Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 5 (Brown) : Industrial & Scientific
![Amazon.com: 2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black) : Industrial & Scientific Amazon.com: 2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black) : Industrial & Scientific](https://m.media-amazon.com/images/I/51-rYaop8UL.jpg)
Amazon.com: 2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black) : Industrial & Scientific
![30-10071 Spdt N.o./n.c. Magnetic Reed Switch (1): Camera And Photography Products: Amazon.com: Tools & Home Improvement 30-10071 Spdt N.o./n.c. Magnetic Reed Switch (1): Camera And Photography Products: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/31YGfsVq4YL.jpg)
30-10071 Spdt N.o./n.c. Magnetic Reed Switch (1): Camera And Photography Products: Amazon.com: Tools & Home Improvement
![2pcs/1pair 31b Magnetic Reed Switch Nc No Combined Door Contact Sensor Wireless Security Switches - Window Door Sensor - AliExpress 2pcs/1pair 31b Magnetic Reed Switch Nc No Combined Door Contact Sensor Wireless Security Switches - Window Door Sensor - AliExpress](https://ae01.alicdn.com/kf/HTB1SIsxajLuK1Rjy0Fhq6xpdFXaB/2pcs-1pair-31B-Magnetic-Reed-Switch-NC-NO-Combined-Door-Contact-Sensor-Wireless-Security-Switches.jpg)
2pcs/1pair 31b Magnetic Reed Switch Nc No Combined Door Contact Sensor Wireless Security Switches - Window Door Sensor - AliExpress
![5pcs Reed Switch 3 pin Magnetic Switch 2.5*14mm Normally Open Normally Closed Conversion 2.5X14MM NO NC Conversion for Sensors _ - AliExpress Mobile 5pcs Reed Switch 3 pin Magnetic Switch 2.5*14mm Normally Open Normally Closed Conversion 2.5X14MM NO NC Conversion for Sensors _ - AliExpress Mobile](https://ae01.alicdn.com/kf/HTB1hUs5XfLsK1Rjy0Fbq6xSEXXaE/5pcs-Reed-Switch-3-pin-Magnetic-Switch-2-5-14mm-Normally-Open-Normally-Closed-Conversion-2.jpg)
5pcs Reed Switch 3 pin Magnetic Switch 2.5*14mm Normally Open Normally Closed Conversion 2.5X14MM NO NC Conversion for Sensors _ - AliExpress Mobile
![Amazon.com: 2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black) : Industrial & Scientific Amazon.com: 2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black) : Industrial & Scientific](https://m.media-amazon.com/images/I/51-rYaop8UL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black) : Industrial & Scientific
![Amazon.com: 3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V Light : Industrial & Scientific Amazon.com: 3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V Light : Industrial & Scientific](https://m.media-amazon.com/images/I/61FzE7IpDeL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V Light : Industrial & Scientific
![Amazon.com: Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 6 : Industrial & Scientific Amazon.com: Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 6 : Industrial & Scientific](https://m.media-amazon.com/images/I/51dubFAtc7L.jpg)