5 Sets Magnetic Contacts Wired Window Door Sensor Reed Switch NC Surface

2 Pack Magnetic Reed Switch NC NO Surface Mounted Door Window Cont Size: BLACK

2 Pack Magnetic Reed Switch NC NO Wired Surface Mount Door Window Size: WHITE

2 Set Magnetic Reed Switch NO NC Wired Surface Mount Door Window Color: white

Magnetic Switch NO NC 4 Sets, Recessed Door Sensor Hidden Window Contact Reed

Magnetic Reed Proximity Sensor, Cylindrical Plastic Mounted, Pack 2