Can handle 7018 electrode, adopting IGBT Inverter power system,suitable for mild steel, cast iron, stainless steel as well as hard surfacing. Equipped with digital display and trouble indicate,read the output welding current. Built-in excellent anti-stick, arc force, hot start and other functions,easy to operate,safe and convenient for beginner. Portable: With adjustable shoulder strap,is convenient to carry between job sites or use. Powered by standard 110V household voltage.