This device offers added security protection in an easily transportable door stop location, anywhere you go. Whether you're in a strange home, away at a hotel or living in communal housing at college, all you have to do is slide this battery-operated security door stop beneath your door to create a loud, unmistakable alarm sound any time door pressure is applied. Because it is designed to alert you if anyone tries to enter your room, it's a perfect security tool for bedrooms, dorm rooms, apartments and hotels. Take this alarm with you when you travel, or use it for your home - either way you can rest easy when you have this security door stopper nearby. Features: Attention grabbing - when door pressure is applied, the extremely loud 120 dB alarm helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors; audible up to 1000 feet away Maximum security - features a non-skid pad to prevent door from opening while alarm sounds Versatile - ideal for bedrooms, hotels, apartments, dorm rooms, front doors, etc, great travel alarm Easy installation - no wiring needed, battery-operated (requires 9 V battery) Extra level of security - provides battery status update with a low battery indicator