2 Sets MC-33CNormally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch Home Security Burglar Alarm System

2 Sets MC-33CNormally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch Home Security Burglar Alarm System

【Package Included】: 2 Sets x Alarm Magnetic Reed Switch 【Application】: The door contact sensors work as an anti-theft alarm, ideal for metal door and window. 【Easy To Install】: Have small screw terminals which makes it much easier to wire. Closed loop magnetic contact that features a terminal block style connection for accepting wire. 【Contact Type】: NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); When the magnet separate, the circuit is not conductive ( light off ) 【Has many uses】 MC-33C Door Contact Sensorsthe door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system

Contact Type: NC (Normally Closed)

Material: ABS

Color: Black, White

 MC-33C Door Contact Sensorsthe door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system

Works for aluminum sliding windows and doors