Great beginners' versatile dual-power MIG welder runs on either 120V or 240V, portable welder with 30–180-amp welding range; welds mild and stainless steel up to 5/16-in thick, drive motor for smoothest operation and uses .023 - .035 wire in 4" and 8" spools; has 2T/4T modes for comfort during long welds and Tack Weld setting for consistency with sheet metal projects. It comes with extras (cart, wire spools, light sensitive welding helmet, gloves) and more. No tank.