The Mini Personal Alarm LED Flashlight with Belt Clip can be attached to a keychain. It has a very sleek and compact design, but don?t let its small stature fool you. This easily activated alarm will emit an ear piercing 120dB alert that will send your aggressor fleeing for the confines of a sound proof room. You can deactivate this alarm just as easily as you activated it, with the click of a perfectly located button. This alarm fits easily in your pocket, purse, can be clipped onto your belt, or attached to a key chain. The built in LED flashlight allows you to shed some light on any situation. Anyway you chose to carry it, it will be nothing but beneficial to your safety. Uses 3 replaceable LR44 batteries (included). Measures: 3″ x 1 ½” x ½”.