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.