?Features:
*This sensor can't work alone, it needs to work with wired alarm host or other wired devices.
*Simply attach one piece to your door or window, and attach the other piece to the door or window frame.
*Excellent design, tiny and fashion. Low-consumption design, more power-saving.
*Easy installation with screws on all kind of metal doors, wooden doors, glass doors, etc., very convenient.
*Ideal intrusion warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, etc. Also can be used as tip of door switch status for firefighting gate, shops, etc.


Specifications:
Rated voltage: 100V
Rated current: 0.5A
Max power: 10W
Action: 40-50mm
Signal output: normally closed / normally open / conversion type
Fixing method: surface screw mounting
Material: Zinc Alloy
Operating environment: -10?-50? (14?-122?)
Size: Main body (D*W*H): 51*25*16mm
Deputy body (D*W*H): 51*25*16mm
Item Weight: 146g
Pitch-row: 30mm
Package Size: Approx. 9 * 6 * 3cm / 3.5 * 2.4 * 1.2in
Package Weight: Approx. 151g/5.33oz


Packing List:
1 Pair * Metal Door Sensor Switch(for Alarm Access Control System)
1 * Set of Mounting Screws