Street Wise Black Jack Stun Gun. New Squeeze-N-Stun Technology with  a loud 120-decibel alarm. Delivers 21,000,000 volts of electricity with a three point triple stun protection. Comes with  a built-in LED light and holster. Two Safety Features, safety pin and safety switch, help prevents accidental discharge. Has a built-in retractable plug in any standard outlet. Dimensions: 5" x 1" x 2" . Must be fully charged for 8 hours for it to work fully.