Door Stop Security Alarm, 120 Loud Entrance Alert Door Wedge

Dual Function Design: Can be used as a door stop alarm and door stopper, Its high damping rubber bearing can the door sliding and the bad guys into. When the power is in“on” status, it will make extremely loud 120db alarm to be usedas door stop alarm; when the power is in“off” status, it can be used as damping rubber door stopper.A protector around you. Can be used in home and travel.Extremely Loud Alarm: 120 dB loud belongs to ��Unbearable Noise�� and really loud. Easily can the homeowner up, notifies neighbors and scare the intruder away. Please do turn on the power button after set the battery well, then put the door stopperunder the door.3 Sensitivity Levels �� Low- Medium- High,with an adjustable sensitivity on the side;H level is the most sensitive level that vibration will trigger an alarm;please note when the alarm sound gradually becomes smaller,it means to replace the newbattery.Easy Install: no wg needed; battery-operated(requires 1×9V battery,not included),push the turn on button in the back of the door stop alarm into working status;place it under the door,the gap bewteen the bottom of the door and the floor should be10mm(0.38 in) to 35mm(1.35 in).Note:It can not slide on tile when door opens,smooth floor can try to use H-type sensitivity,vibration-sensing alarm.Portable& Light-Weight: Only 95 grams each stopper( without battery and package) good for carrying when you are travelling or need spend a night at strange environment.easy to carry;alarm loud 120db to you;great for travel;ideal for bedrooms,hotels, apartments, dorm rooms, front doors, etc;peace of mind when traveling or working alone.