... standby consumption,no wiring required. GTS-112 DOOR&WINDOW ENTRY ALARM:safety guard brings safety to your home when you ... the both sides of the door or window,and there is magnetic sensor on the right side.Please affix the ... switch to the position"off",the sound will stop.(with 1.5V LR44 batteries,very low power consumption.specification ... 48pcs/ctn,Measurement:0.027CBM (GTS-112) DOOR&WINDOW ENTRY ALARM