3W Home Security System Alarm Contact Switch Door Window Alarm ABS Contact Sensor Always On

Description:
It will send out open or close signal based on the door open or close status.
The security alarm contact sensor features simple and fast installation, is convenient to use.
The security alarm contact switch has wide applications. You can use it on a door or a window alarm system.
The door alarm contact sensor can be used for a long time, is abrasion-resistant and not easy to break.
The window alarm switch is reliable to use, is a good choice to replace an old or damaged window alarm switch.

Specification:
Material: ABS.
Color: White.
Size (LxWxH): Approx. 27x14x8mm.
Switch type: N.C./ N.O.(Optional or Changeover).
Maximum voltage: 100V DC.
Maximum current: 0.25A.
Contact power: 3W.
Operating distance: 10-20mm.
Wire:white (common port), gray (N.C.), brown (N.O.)

Note
There might be a bit color distortions due to different computer resolutions.
There might be a slight errors due to different hand measurement.

Package included:
1x Door alarm contact switch.