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 alarmATTRACTIVE & CONSUMER-PREFERRED - superior to other home security products, this premium white alarm looks great inside your homeEASY INSTALLATION - no wiring needed; battery-operated (requires 1x9V battery); small Philips Head #1 size screwdriver required to remove battery compartment coverEXTRA LEVEL OF SECURITY - provides battery status update with a low battery indicator