When you are alone at home or in a hotel, are you afraid of an intruder? And now, simply place the alarm behind any door or window.
If an intruder attempts to open the door, the wedge-shaped design will prevent it from opening and activate a 120 dB alarm.
The alarm will scare off the would-be intruder and alert you to the attempted entry. This is a stainless steel cover door stop alarm. Just put the alarm under the door and turn on the switch. No more worries! Buy it now!