Door Window NC Contact Security Safety Alarm Magnetic Sensor Reed Switch

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

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

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

1 Set RC-33B NC Magnetic Window Door Contact Alarm Reed Switch Recessed

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

10*31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor B

10pcs 31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor