First Alert PA100 Personal Security Alarm with Flashlight Dual Sensing Vibration & Motion Alarm For Door Or Bag/purse Operates In Immediate Alarm Or 20-sec Delay Modes When Motion Is Detected Loud 100db Audible Panic Alarm Activates At Push Of A Button Bright, Hand-held Led Ideal For Fitness, Travel, Home Security & Dorm Room Usage Dual sensing vibration & motion alarm for door or bag/purse Operates in immediate alarm or 20 second delay modes when motion is detected Loud 100dB audible panic alarm activates at push of a button Bright, hand-held LED light illuminates your surroundings Ideal for Fitness, Travel, Home Security and Dorm Room usage