Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switc...

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

2pcs RC36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

3pcs RC-35 NC Recessed Wired Security Sensor Alarm Magnetic Reed Switch White

10 x White RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnet Reed Switch

2pcs RC33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch

5pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Part

Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch