?? 140DB LOUD ALARM: 140db extremely loud sound can attract attention even in a far distance, it could effectively protect you from the emergency and ask for help to prevent harm from the attacker; The sound lasts for 40-60 minutes.?? MINI LED FLASHLIGHT: Mini bright white LED flashlight for emergency lighting, when you hold the small button, the flashlight keeps shining, the lamp will keep shining, it will be off when you loosen, keep you safe in the dark when you are alone.?? EASY OPERATION: Pull out the hand band/pin to activate the alarm, and you can turn off the alarm by inserting the hand band/pin into the socket. Remove the screws on the back cover and replace the battery if the sounds become weak or stop working. (Battery included)?? WIDELY USE: This personal safety alarm is a necessary safety supply for traveling, hiking, camping and dog walking. Designed for people of all ages, such as students, children, police and correctional officers, walkers, joggers, seniors, night owls, lone workers.??RISK-FREE: If you have any questions, please contact us. We will do our best to meet your requirements and quickly and efficiently solve your problem.