AceMining B0B3RH37GQ Instructions

Door Stop Alarm Instructions
Please contact customerservice@aceminingus.com
for any questions or return/refund.
Operation:
1.This alarm is operated by a
9V battery.
2.Open the battery door on
the back side of the alarm unit, and
place a 9V battery in the battery
compartment. Make sure the battery
is installed correctly before use.
3. After installing 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. When the siren
starts to sound weak,it is 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.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.