REAL 130db LOUD SOUND - The emergency alarm can make a loud sound to draw people's attention even at distances as far as 606 ft; The 130 decibel can effectively scare attackers in danger and seek people around for help; It will be your good helper when you have troubles or need help.BEAUTIFUL AND DURABLE - The Portable Personal Alarm uses superior environmental and durable ABS plasticn, resistance to fall, crush and voltage, and high temperature, and the copper plug, not rusty, heart Shape design ,beautiful and durable, won't break in your most adverse conditions.SMALL AND PORTABLE - Safety Alarm is small and portable. It can be attached on purse, bag, schoolbag, backpack, keys, belt loops, suitcases, and even your dog Leash. It also can be brought on board a plane, really convenient.3 REPLACEABLE LR44 BATTERIES - Keychain Alarm equips with LR44 batteries for extended life Lower power consumption guarantees long time uses. If not in use, the batteries have a 365 day standby timeSUITABLE FOR - The Portable Personal Alarm uses superior environmental and durable ABS plastic with a fashionable design fit for Students, Joggers, Elders, Kids, Women, Night workers, Night owls. It's a perfect companion for traveling, hiking, camping and walking the dog.