Upgraded Portable Door Stop Alarm with Strong Grip to The Floor, Non-Slip Door Stoppers Security Alarm Lasts 5 Seconds with 80dB, Perfect for Travel & Home Security

Dual Function: The door stopper alarm can be used as a door alarm and door stopper.Its metal lever and screw ensures a best anti-slip effect to prevent the door moving and alert off intruders. Loud & Long Alarm: Upon doors vibrate,the door security device can alarm quite loudly with 80dB and last for 5 seconds,which can definitely remind people indoor and scare bad guys away immediately. Superior Stability: Unlike traditional rubber door stoppers & door alarms, the metal door stop is designed with a vertical structure, which directs the force vertically to the ground. Morever,its adjustable switch for screw tightening and strong resistant rubber foot mat also help to provide a best grip to the floor, making door pushing hard and not slide,ensuring the door stop for bottom of door working well. Installtion Requirments:(1)The door gap should be 5-35mm (2)Fits to tiles, wooden floors,marble,cemet floors (3)Most of hotel doors & doors inside the house can be used(the doors open inward) (4)Situations Not Applicable:1)The buttom of doors are hollow(concave) or raised 2)Security,iron,aluminium and glass door 3)No door gap 4)Uneven door surface or floor. Easy to use: Align and insert the door alarm for home security under the door handle, and tighten the bolts clockwise. Very convenient to take with you when travel or stay indoor alone. A really must have around you.

• Dual Function: The door stopper alarm can be used as a door alarm and door stopper.Its metal lever and screw ensures a best anti-slip effect to prevent the door moving and alert off intruders.
• Loud & Long Alarm: Upon doors vibrate,the door security device can alarm quite loudly with 80dB and last for 5 seconds,which can definitely remind people indoor and scare bad guys away immediately.
• Superior Stability: Unlike traditional rubber door stoppers & door alarms, the metal door stop is designed with a vertical structure, which directs the force vertically to the ground. Morever,its adjustable switch for screw tightening and strong resistant rubber foot mat also help to provide a best grip to the floor, making door pushing hard and not slide,ensuring the door stop for bottom of door working well.