The Mace Window Alert Glass Shock Vibration Sensor is a compact all-in-one window security alarm. If a secured glass window is tampered with or broken, the vibration is sensed and instantly emits a 95dB alarm sound that can alert those inside the home and detter an intruder... the alarm automatically resets after 45 seconds. Each Window Alert has an on/off switch that allows you to independantly open or secure each window as needed.
The Window Alert easily surface mounts onto window glass with a peel & stick adhesive back pad, is completely battery operated, and ready to use right out of the package with no wiring or tools required! Three 1.5v button cell batteries are included and easily replaced with standard LR44 or A76 equivalent.
Stay safe with Mace Window Alert... Do-It-Yourself Home Protection!