Sell 120 dB Door Stop Security Alarm, Home Security System Wedge Siren Blocking Alert, best price

Prevents door from opening and immediately activates an alarm Compact and light weight making it a great for travel Simply place the alarm behind any door The 120dB alarm will scare away intruders, alert those inside, and summon help Wedge-shaped design alarm stops intruder from opening door ​ Main Features: Simply place it on the floor in front of your door-no installation required Adjustable sensitivity switch prevents tampering (High/Middle/Low)  Pressure on door stop activates alarm Great for your home, dorm room, hotel room, etc Durable 120dB Alarm Block Systerm Door Stop with Adjustable Sensitivity Switch Specifications:  Uses one 9V battery (not included)  Stainless steel cover Material: Plastic and stainless steel