5Pcs NC Recessed Magnetic Window/Door Contact Security Safety Alarm Switch Reed

5Pcs NC Recessed Reed Switch Magnetic Window/Door Contact Security Safety Alarm.

NC Recessed Reed Switch Magnetic Window/Door Contact Security Safety Alarm

NC Recessed Reed Switch Magnetic Window/Door Contact Security Safety Alarm C

NC Recessed Reed Switch Magnetic Window/Door Contact Security Safety Alarm G

5Pcs NC Recessed Magnetic Window/Door Contact Security Safety Alarm Switch Reed

NC Recessed Reed Switch Magnetic Window/Door Contact Security Safety Alarm A