*This sensor can't work alone,it needs to work with wired alarm host or other wired devices.
*Low-consumption design,which can make it work long time.
*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.Easily install with screws.
*Ideal intrusion warning for homes,apartments,mobile homes,dorms,offices,hotel rooms,garages,etc.
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. *Low-consumption design,more power-saving. *Excellent design,tiny and fashion.Easily install with screws. *Ideal intrusion warning for homes,apartments,mobile homes,dorms,offices,hotel rooms,garages,etc. Specifications: Working voltage:0-28V  Working current:0-0.5A  Max power:10W Action:20-23mm  Two status:open and close Switch:N/C Material:ABS,common white Operating environment:-10℃-50℃ (14℉-122℉) Size:Main body (D*W*H):65*20*14mm Deputy body (D*W*H):65*14*14mm Package Size:Approx.9*6*3cm / 3.5 * 2.4 * 1.2in Package Weight:Approx.22g/0.78oz  Package List: 1*Wired Door Sensor 1*Set of Mounting Screws