Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack

5 x Wired Door Contact Sensor NO Surface Mount Magnetic Switch Black

5 x Wired Door Contact Sensor NO Surface Mount Magnetic Reed Switch Brown

Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch, Black

3pcs Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch Black

Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Black 3 Pcs

5 x Wired Door Contact Sensor NO Surface Mount Magnetic Reed Switch Black

MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed...