Streetwise Security Products has found a way to improve upon their bestselling stun by adding a keyring! With this power stun attached to your keys, you will not have to be concerned about it getting lost in the bottom of your purse or wasting valuable time getting it out of your pocket. You will have the stun instantly accessible at the time when people are most vulnerable to attack - while walking to or from their car. With a set of keys attached to the unit, you have the option to strike with your keys, shock with a stun , or both! This revolutionary, patent-pending model separates itself from all other stun guns on the market today.