Door Stop Alarm Security Fortification

Description
1 – This alarm is operated by a 9v battery correctly before use.
2 – Open the battery door on the back side of the alarm unit and place a 9v battery in the battery compartment and make sure the battery is installed correctly before use.
3 – after installing the 9v battery, place the doorstop alarm behind a closed door to secure the room
4 – If the secured door is opened, the edge of the door will press down on the wedge plate of doorstop alarm and set off the alarm which will sound at 120dB siren continuously.
5 – The sensitivity of the vibration sensor can be adjusted from low to high as indicated in order to meet your needs.
6 – When the siren started to sound weak, its time to change the 9v battery as described in step 2.
7 – turn the power switch off when the doorstop alarm is not in use and the alarm unit can be used as a doorstop to prevent the doorknob from hitting the wall if the hinged door is opened too roughly.

Features
– wedge shape design to fit any hinged door
– adjustable high sensitivity
– no installation required and very light and portable to carry around
– 120dB high pitched continuous siren when activated
– can be used as a door stop when power switch is turned off
– special design for use at home / office and hotel room
– powered by one 9v battery and no wiring needed

What’s in the box
1 x Door Stop Alarm Security Fortification