ODOROKU 2 in 1 Portable Door Stopper Floor Wedge Security Alarm Loud 120db Entrance Alert Door Stop

NON-SKID DOOR STOPPER – 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.

EASY INSTALLATION – no wiring needed; battery-operated (requires 1x9V battery,);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.

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.

PORTABLE DOOR STOPPER ALARM – package include 3 door alarms,each weight about 120g;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.

SMALL & TRAVEL FRIENDLY: Safe to bring overseas and able to pass through airport security. Use it inside hotel or hostel when overseas. Protect you and your love ones from theft

Dimensions: 135mmx47x35mm