Door Stopper Security Alarm Anti-theft Burglar System

Extra loud alarm. Simply place the alarm behind any door. 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. Door stop alarm & door stopper keep intruders out, also prevent the doorknob from hitting the wall. High- quality: Made of high damping rubber & abs plastic, very convenient to use. Loud alarm:
Dual Function - Can be used as a door stop alarm and door stopper, Its high damping rubber bearing can prevent the door sliding and prevent the bad guys into.3 Level of Sensitivities - High - Medium - Low Sensitivities. This depends on the distance the door touch the door stop alarm.Loud Alarm - Very loud shrill that would definitely scare someone away with 120db alarm. Weight: 4.5 oz.Powered by 3 AAA Batteries - Powered by 3 pieces AAA batteries, (Note: Batteries are included)Easy to Use - NO installation required, Simply place the alarm behind any door (home, hotel, etc).125 DB Anti-theft Burglar Door Stop Sensor Alarm Security Home Wedge Shaped Door Stop Stopper Alarm Blocking System. Door stop alarm is suitable for the bottom section of the seam to be applied between the width of 1cm-3.5cm