• 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