... or ac/dc tig jobs-plastic front and rear cover with 3.5 inches LCD Operation panel, really good customer ... aluminum excellent Features: 1).Dual voltage(110V and 220V)automatic recognize and self-switch over2).6 function in 1 ... : mma,tig,pulse tig,mig,pulse mig and double pulse mig.3).High frequency arc stating ... power source and duty cycle up to 60%. 6).The machine configured by menu within LCD(128*64 ...