This sleek, compact, modern-design keychain attaches to a backpack, purse or keys for convenient, instant access, plus greater value with batteries included. The 110 decibel dual siren alarm, audible up to 600 feet away, helps call for assistance in an emergency and helps deter attacker. Simple to use - just pull the metal chain from device to sound the alarm and push the pin back in to stop the sound and use again. Even safe for children, this alarm is a self-defense option for any age.Details:Pink110 dB dual siren alarm2 personal alarms Keychain attaches to backpack, purse or keysAudible up to 600 ft. (185 m) away Requires 4 LR41 batteries (included)Supports the National Breast Cancer Foundation