About this item

• [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. Can be used in home and travel.
• [User-Friendly]: No setup needed; just position the door alarm behind any inward-opening door. Its compact size and light weight make it easy to transport, whether you're traveling or spending time alone indoors. The device weighs just 4.5 ounces.
• [Powered by 9V Battery]: The door stopper with alarm powered by 9V battery, One piece can be used for a year under normal circumstances. When the sound fades or disappears, replace the battery. (Note: Battery not include)
• [Loud Alarm]: The door stoppers alarm in the "ON" status, once someone tries to break in, the door stopper will obstruct and make a loud alarm with 120 dB (volume can not be adjusted) to alert.The doorstop alarm will provide you with safety when traveling or on business.
• [3 Level of Sensitivities]: High-Medium-Low Sensitivities, you can adjust according to the gap between your door and floor and the type of flooring. Security door stopper alarms are suitable for clearances of 0.6" and 1.2" between the door and the ground.