Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch

RC-35 NO Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White

RC36 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch White

2pcs RC-33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown

2 Sets Wired Alarm Security Magnetic Door Contact Reed Sensor Switch White

2pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown

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