1 Set RC-33B NC+NO Magnetic Window Door Contact Alarm Reed Switch Recessed

Burglar Alarm Recessed Sliding Door Window Sill Reed Switch Sensor Hidden

1 Recessed BROWN Door Window Security Alarm Reed Switch Contact 3/8 push sensor

5 Alarm Terminal Recessed Door Window Security Switch Sensor Contact

10 Recessed Door Window Security Alarm Reed Switch Sensor Contact Normally Open

5 Recessed Door Jam Window Sill Security Alarm Reed Switch Sensor Hidden DSC GRI

10 Recessed Door Window Security Alarm Reed Switch

Door Window NC Contact Security Safety Alarm Magnetic Sensor Reed Switch Sets