NIB Door stop alarm

Door stop alarm, new in box, great for travelers and hotel rooms, alerts you when the door is open. 120db, security fortification, quick and convienent. Features: 1. Wedge-shape design to fit any hinged door. 2. Adjustable high sensitivity. 3. No installation required, easy for travelers to carry. 4. 120 dB high-pitched continuous siren when activated 5. Can be used as a doorstop when power switch is turned off. 6. Special design for use at home,office, and hotel rooms. 7. Powered by one 9V battery;no wiring.