120 dB Door Stop Alarm
Use the Door Stop Alarm as an entry alarm and 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. There is also a movement sensor with adjustable sensitivity that will activate the alarm if it's tampered with. On/off switch is on the back of the alarm and includes a low battery indicator light. Uses one 9 volt battery, not included.