Small enough to fit inside of a pack of cigarettes, but big enough to stop the toughest violators. The new ZAP offers a revolutionary textured rubberized grip for a strong, non slip hold. No other stun guns sport this feature. This model puts out 950,000 volts of electrical current. Other features include on off switch, a red indicator light when powered, free nylon sheath and 3 free long life lithium batteries.