Door Stop Alarm

Sleep With Comfort AND Safety! Dual Function: When the power is in "on" status, it will make an extremely loud 120db alarm to be used as a door stop alarm; when the power is in "off" status, it can also be used as a damping rubber door stopper. 3 Sensitivity Levels: Low - Medium - High, with an adjustable switch on the side. H level is the highest sensitive level to trigger a 120db alarm. An easy way to make the intruder run as fast as he can! Portable Design: Light weight, small size, easy to pack and take. You can carry it as a security measure for your trip. Small but very effective! Place the alarm behind the door that you want to be alerted to in your home, dormitory, hotel, or motel room while you are sleeping. Easy to Use: Powered by 9V battery, no mess cable. One piece can be used for a year under normal circumstances. Simply place the alarm behind the door. Battery not included.