Door Window Alarm | Magnetic Sensor | Battery powered | 2x CR2032 | 85 dB| White

The ultra-slim window/door alarm is designed to trigger an intruder alarm when a door or window is opened. With simple switch on the side of the unit, it can be turned on and off as needed. The thin profile makes it perfect for mounting on a window or door. The alarm requires 2 x CR2032 batteries (included) and the average battery life in normal use is one year. The alarm has a low battery indicator light. Press the "battery test" button on the front of the device to check the battery status. The alarm unit is mounted with double-sided tape (included), attach the alarm and the magnetic sensor to the door or window and it's done.