The GlassProtect operates up to 7 years without battery replacement.
It ignores thunder, dogs barking and noise outside the window.
Detects breakage at a distance of up to 9 m.
Two-factor detection of broken glass prevents false alarms caused by thunder, dogs barking and noise from passing trucks.
Principle of operation
It detects broken glass using an electret microphone, which registers the sound of impact against the glass and of glass falling.