Includes a pocket sized USB rechargeable battery pack roughly the size of a deck of cards (not shown)

The electric version opens and closes a lot slower

WARNING: NEVER unscrew a CO2 cartridge until it has been fully depleted

Takes 4 AA batteries

Cyber Torso Armor V1.5M Size:S Includes a pocket sized USBUltra durable real metal armor with integrated flat panel lighting. Aluminum armor plating 1 16 thick on the shoulders and 1 8 inch thick on the chest. Heavy duty thick leather backing on torso with 2 inch wide webbing and snap on connectors. Chest and shoulder sections are detachable with wide patches of strong industrial velcro. Allows for the shoulders to be moved outwards or inward for a perfect fit. The chest plate position can also be adjusted