SABRE Wedge Door Stop Security Alarm with 120 dB Siren - Great for Home, Travel, Apartment or Dorm 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 1,000 feet/300M away) VERSATILE WITH MAXIMUM SECURITY  features a non-skid pad to prevent door from opening while alarm sounds; ideal for bedrooms, hotels, apartments, dorm rooms, front doors, etc. - great travel alarm ATTRACTIVE & CONSUMER-PREFERRED  superior to other home security products, this premium white alarm looks great inside your home EASY INSTALLATION  no wiring needed; battery-operated (requires 1x9V battery); small screwdriver required to remove battery compartment cover EXTRA LEVEL OF SECURITY  provides battery status update with a low battery indicator