Fuers Wireless Alert System Window/Door Alarm with LOUD 110 dB Siren For Office/School/Hotel/Home Security (10-Pack)
- Battery powered to keep install simple and clean. Long lasting battery will make for a minimal expense over time..
- Loud built-in speaker that will operate as a siren or door alarm. Door alarm or siren will sound immediately if the sensor is triggered..
- Comes with double sided tape for clean easy install and removal,the height of installation about 6-8 feet.
- Powered battery,3 X LR44 batteries are included,normally can last 3~6 months.
- The Wireless DIY standalone door/window alarm sensor is Great protection for doors, hotel rooms, houses, dorm rooms, apartments, offices, medicine cabinets, windows, drawers, pool gates and sliding doors.