Simple security! Fully self-contained window alarm and battery powered. Mount the alarm unit on a window or door frame, and the magnetic reed switch on the window or door itself. When the two separate, the alarm sounds with a 90dB siren! Double sided tape and batteries included.
Power from disposable battery
|Size / Shape
||Button - LR44 / SR44 / A76 / 357
|Batteries can be replaced by user