130 db Loud sound: the emergency alarm can make a loud sound to draw people's attention even at distances as far as 606.9 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 Multi-function: the safety alarm is designed with LED lights for night lighting, suitable for people at all ages such as students, elderly, children, women, night workers and so on; It is a useful self-defense accessory for traveling, hiking, camping and dog walking at night Compact and convenient: the safety alarm keychain are portable for easy storage and carrying; It can be attached on women's bags, backpacks, school bags, belt loops, suitcases, keys, dog belts and so on; And you can take it even when you are on the plane