Door Stop Alarm 125dB Alarm Adjustable Sleep sound knowing that your door will sound an alarm if opened - Prevents access to door from unwanted person They might pick your lock but they cannot get inside your hotel room, apartment, or home when secured by the super door stop alarm. Most security products on the market today will only alert you after the intruder have entered. This device will not only activate an alarm but will prevent unwanted intruders from entering. If an intruder attempts to enter, the alarm will sound and the unit will wedge underneath the door. The wedge shaped design and non-skid pad on the bottom of the unit will prevent the door from opening Use this 120db super door stop alarm to block a door from being opened. If anyone tries to open the door, this 120 db alarm will sound. Alarm stops when pressure is released from door stop plate. The alarm is pressure sensitive. There is also a movement sensor with adjustable sensitivity to activate the alarm if tampered with. An on/off switch allows the alarm to be turned off so that it doesn't go off in your luggage. Use in hotels, dorm rooms, bedroom, back doorsand basement doors… Uses one 9-volt battery (not included). Features: Stainless Steel Cover High quality Wireless Adjustable; High, Medium, Low sensitivity. Vibration sensor. No installation required, easy for travellers to carry. Wedge-shape design to fit any hinged door. 125 dB high-pitched continuous siren when activated. Can be used as a doorstop when power switch is turned off Powered by a 9-Volt Battery (Not Included) Mini size, space-saving. No installation required. Special design for use at home, office, hotel rooms. Ensures your safty and peace of mind at home or when travelling. Net weight:97g Weight included package:129g Package includes 1 x Door Stop Alarm.