ZZRUI Upgraded 2 in 1 Portable Door Stopper Floor Wedge Security Alarm Loud 120db Entrance Alert Door Stop Alarm for Travel Home Apartment House (3 Packs)
Brand: ZZRUI
Color: Black

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.
Size: 5.9*2.36*1.77inch.
Net weight: 4.24oz(120g).
Powered by: 1* 9V battery ( Not Included).
Volumn of the alarm: 120dB.
Three sensitivity: Low,Medium, High mean vibration-sensing alarm.
Material: Stainless steel cover/Plastic body/Damping rubber bottom.
Wide Range of Applications
Portable and effective door security alarm,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.

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.
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,not 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.
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.