Product Review

This Door Wedge can be easily applied to closed doors, when the door is opened it will activate an alarm alerting you of a possible security breach.
Door stop alarm & door stopper keep intruders out, also prevent the doorknob from hitting the wall.
High- quality: Made of high damping rubber & abs plastic, very convenient to use.
Loud alarm: 120dB loud alarm sound could scare intruder.
Portable alert 3 sensitivity levels: Low - Medium - High, with an adjustable sensitivity switch on the side.
Easy to Install: Portable and easy way to add piece of mind when traveling or working alone.
Widely use: Can be used in home, dorm, office hotel, motel & more.

Specification:
Power by: 9 v battery (not included)
Single size: 5.5 * 1.8 * 1.5 inch
Single weight: 0.28 lb

Package includes:
3 x Door stop alarms (9v battery is not included.)