Night Watchman Mini Stun Gun. About the size of a pack of gum, the mini stun gun packs the same 20,000,000-volt stunning power as a traditional-sized stun gun The integrated LED flashlight provides a convenient source of light whenever you need it and can also be used to blind an assailant To prevent accidental discharge, two levels of safety have been built-in: a functional off/on switch and a shock control button It’s powered by a rechargeable lithium polymer battery, which charges using the included USB cord, and it has an indicator light At only 3 1/2”x 1”, the compact stun gun can be attached to your keys and is easily concealable in your hand, pocket or purse