Impact voltage: 8000KV ; Host size: 6 * 5 * 1 in; Package weight: 1 lb; Battery: 4.8V standard, rechargeable ; Range: 15 ft. (4.6m) range ; Arc penetration effect: about 1 inch of clothes ; consumables: three Replaceable cartridges. Advantages: Long-distance electric shock is safer than self-defense. Integrated LED flashlight to illuminate dark environments. Packaging includes: 1 Host 3 Cartridges 1 charger (American plug ) 1 zipper box package 1 Holster 1 Instruction Manual When an attacker is touched by the stun gun it will disrupt the message the brain sends to the voluntary muscles. Simply touching an attacker will deliver a high voltage shock causing loss of balance and muscle control, confusion, and disorientation bringing him to his knees and making him incapable of further aggressive activity. Due to restrictions in some states, county and city laws we do not ship to the following locations: Hawaii, Massachusetts, Michigan, Connecticut, New Jersey, Illinois, New York, Rhode Island, Wisconsin, District of Columbia, Annapolis, MD, Baltimore, MD, Chicago, IL, Philadelphia, PA, Baltimore County, MD, Crawford County.