Glam Hobby 120dB Panic prevention Emergency Personal Alarm Keychain + LED Light for money detector 120dB Emergency/Attack Alarm with user replaceable batteries (included) Preferred for college security, police and correctional officers, walkers, joggers, elderly, night owls, lone workers, students, and self defense Emergency activation - simply pull the pin for up to 1 hour of continuous piercing alarm Purple LED flash light for money detector Key chain is very easy to access