Anti-theft Door Stop Alarm for Home Security
Model: PA-21 Door Stop Alarm

Features:
1) The door wedge alarm is for indoor use only.
2) Set behind any door and when is opened it gives off a loud shrill pulsating alarm that scares away intruders instantly.
3) Insert the alarm at the base of your door, making sure the non-skid pad on the bottom of the alarm is in firm contact with the floor.
4) When the door is opened, the alarm's metal plate is depressed, which presses down the trigger anchor and sounds the alarm.
5) To silence the doorstop alarm, turn it off.
6) Alarm sound: 130dB.
7) With ON / OFF switch.
8) Works on a 9V battery.
9) The door alarm gives great protection for home, office, or motel room when traveling.