... Inverter DC TIG / MMA /CUT multifunction Welding machine CT520 have 3 functions: tig welding, arc/mma welding and plamsa cuttingFeatures of DC TIG/MMA ... . could be 110v/220v dual voltage input, automatic input voltage changing6.Complete accessories: welding torch, welding cable,earth clamp, welding holder, cutting torch,carton ...