... and 220V)automatic recognize and self-switch over2).6 function in 1: mma,tig,pulse tig,mig,pulse mig and ... configured by menu within LCD(128*64)SCREEN7).Installed in a builD-in wire feeder. Application:Mini Combo arc welding machine ... steel,carbon steel, alloyed steel, copper, titanium, aluminum,etc.Applications in pipe installment,mould mend,petrochemical, architecture decoration, car repair, bicycle, ...