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

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

Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch

HC-34A NC Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White

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

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

2pcs RC33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

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