DOOR STOPPER SECURITY 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/alert homeowner or renter, helps deter intruder and possibly notifies neighbors,security protection.
DUAL FUNCTION: Can be used as a door stop alarm and door stopper, Its high damping rubber bearing can prevent the door sliding and prevent the bad guys into. A protector around you. Can be used in home and travel.
3 SENSITIVITY LEVELS: Low - Medium - High,with an adjustable sensitivity switch 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 new battery.
EASY INSTALLATION: No wiring needed; battery-operated (requires 1x9V battery,not included);place it under the door,the gap between the bottom of the door and the floor should be 10mm(0.38 in) to 35mm(1.35 in).
PORTABLE DOOR STOPPER ALARM: package include 2 door alarms,each weight about 110g;easy to carry;alarm loud 120db to protect you;great for travel;ideal for bedrooms, hotels, apartments, dorm rooms, front doors, etc;peace of mind when traveling or working alone.
Material: ABS + stainless steel cover.
Adjustable high, medium and low sensitivity.
1 X Door alarm