Personal Alarm for scaring off would be threats or attracting attention when in need.Sound a beep or pull the plug in a dangerous situation to let 120 db alarm go off. Belt clip on back. Flashlight button on the side (not to confuse with big blue button on front to sound alarm.) Not only for joggers, but anyone who feels vulnerable or needs a call for help. Seniors can feel more confident in case of a fall. Size: 3"x2". Weighs less than 2 oz. Keep in pocket or carry with wrist strap.