Door/window alarm Magnetic Sensor Battery-operated 2x CR2032 85 dB White
The ultra-thin window/door alarm device triggers a burglar alarm when a door or window is opened. The device can be switched on and off as required using the simple switch on the side of the device. The thin profile is ideal for mounting on a window or door. The alarm device requires 2 x CR2032 batteries (included), the average battery life for 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 attached with a set of double-sided adhesive tape (included): attach the alarm and magnetic sensor to the door or window and you're done.