Upgraded Door Stopper Alarm WITH FREE BATTERIES Portable 120db Wedge Security Floor Door Stops Adjustable Sensitivity for Home Dormitory Traveling

Upgraded Door Stopper Security Alarm, Portable 120 Loud Entrance Alert Door Stop Alarm for Travel Home Apartment House (1 Pack)

Upgraded Door Stopper Alarm WITH FREE BATTERIES Portable 120db Wedge Security Floor Door Stops Adjustable Sensitivity for Home Dormitory Traveling

Upgraded Door Stopper Security Alarm Wedge, Portable 120 Loud Entrance Alert Door Stop Alarm for Travel Home Apartment House

Easy and Practical DIY Installation Install the battery, place it under the door, the door stopper alarm in "on" status, when door pressure is applied, the door alarm will be triggered while make extremely loud 120db alarm; 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. The Door Stop Alarm offers a practical, inexpensive means to help protect yourself and safeguard your belongings. The Dorm Stop Alarm is battery operated with a built in siren. It is portable and doesn’t require any wiring or complicated installation making it ideal for bedrooms, apartments and dorms as well as for hotel rooms when traveling. Pressure from an inward opening door sets off a 120 dB alarm that is likely to startle and scare off an intruder and wake you. Also, the anti-skid pad helps prevent door from opening.

Wide Range of Applications

Great for travel; ideal for bedrooms, hotels, apartments, dorm rooms, front doors, etc; peace of mind when traveling or working alone.

EASY INSTALLATION – no wiring needed; battery-operated (requires 1x9V 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 between 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 or smooth hardwood door 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.

Size: 5.9*2.36*1.77inch.

Net weight: 4.24oz(120g).

Volume of the alarm: 120dB.

Material: Stainless steel cover/Plastic body/Damping rubber bottom.

ZZRUI upgraded door stopper security alarm portable 120 Loud peace of mind when traveling or working alone.