... 4. CCC, CE Features:1.Welder adopt international standard digital control IGBT inverter technology, use microprocessor to control accurately, easily to use ... contact functional keypress in the panel, single knob adjust stepless, digital display show kinds of functions clearly, can convienient to set ... ×440570×310×630Weightkg304753 AC DC TIG welding machine (IGBT, Pulse, square wave,200A)