GA1547—Door Stop Alarm

The door stopper alarm in “”on”” status,when door pressure is applied,the door alarm will be triggered while make extremely loud 120db alarm,helps wake or alert homeowner or renter, helps deter intruder and possibly notifies neighbors,security protection.
The door stopper alarm in “”off”” status,it can be used as common damping rubber base door wedge,hold door in open position,no any loud alarm sound.
No wiring needed; battery-operated (requires 1x9V battery,included);place it under the door,the gap bewteen the bottom of the door and the floor should be 10mm(0.38 in) to 35mm(1.35 in),it can not slide on tile when door opens,smooth floor can try to use H-type sensitivity,vibration-sensing alarm.