Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Black

Magnetic Contact Reed Switch Door Window Sensor Entry Security Alarm N/C MC-38

Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Black 5 Pcs

5PCS MC-38 N/C Door Window Contact Sensor Magnetic Switch for Home Alarm System

Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch Brown

Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Brown 5 Pcs

5pcs Recessed Wired Security Window Gate Contact Sensor Alarm,Magnetic Reed Door

2pcs MC-38 Surface Mount Wired NC/NO Door Sensor Alarm Magnetic Reed Switch New