Vigilant PPS-22BL130dB Personal Alarm with LED Flashlight and Keyring Key Chain LOUD: 130dB ear-piercing panic alarm shaped like and disguised as a car remote KEYCHAIN: Key ring design is perfect for use with house keys or car keys GRENADE PIN: Pull the grenade style pin for up to one half hour of continuous alarm sound FLASHLIGHT: Bright white LED light suitable for illuminating a dark walkway or finding a keyhole POWERED: LR44 watch-type batteries are included, preloaded and user replaceable