This door entry alarm and stopper fits any hinged door, no installation required, just put it behind the door and switch it on, the protection begins. The sensitivity of this product is adjustable.
When the door is trying to be opened, the product will be pressed by the door and a high-pitched continuous siren of 120 dB will be activated. On the other side, this product will stop the door from being opened.
It's ideal for use at home, office, and hotel rooms.
1. 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.
2. After installing 9V battery, place the doorstop alarm behind a closed door to secure the room
3. 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 120 dB siren continuously
4. 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 1
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 roughly.
Door entry alarm and stopper DSA1 warn intruder and keep the door from being opened roughly
- Product Code: DSA1