Home security vibration detector window vibration alarm door open sensor
Our Window Alarm Features:
When triggered it can produce a very loud 130db alarm and will sound continuously 30 seconds.
Unique high/low sensor sensitivity setting helps prevent false triggering on windy days.
No wiring needed, easy to install.
Low battery LED indicator, if you see the indicate red LED always on, then need replace new batteries.
Need to use LR44 battery, which have more power than button batteries, so you don’t need to change batteries frequently.