Belle Hop Travel Door Alarm provides you with additional security while you’re away from home. This security device is easily attached to any door to provide you with peace of mind while you sleep – simply hang it from the door knob and place the clip in the door jamb. If it senses vibration, the 95 dB alarm will sound. The perfect alarm for hotel rooms, dorms, or any room you’d like to guard, the Doberman Traveler Defense Alarm lets you protect yourself from theft while travel and features a handy, built-in flashlight.