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

3 Sets White Magnetic Switch Wiring NO/NC Recessed Door Sensor Hidden Window

Magnetic Door Switch RC 33 NC Recessed Wired Security Window Door Contact

5Pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed

2pcs Recessed Door Magnetic Switch Wired NC Home Security Alarm Contact Sensor

Magnetic Door Switch RC 33 NC Recessed Wired Security Window Door Contact

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