This Personal Alarm is designed to clip to a belt, purse or even pants. It is lightweight and convenient enough to go everywhere you go! A 120 decibel screaming alarm is triggered when the pin is pulled. A reliable tool for getting help whenever needed. The Personal Alarm is the ultimate protection when it comes to convenience and usefulness. Can be used with Door Clip Accessory #20-882. NOTE: item may also have a light and a louder alarm with a slightly different design.