... -phase, portable, fan-cooled, 2.DC inverter welding machine , 3.High welding current stability 4.CE, Approved MMA-85Input voltage(V) ±10%AC~220Frequency(Hz ... Arc,less splash4.Good welding seam,strong intensity5.Three protections:over-heat,over-load,over-current6.Continuous working,automatic compensation for voltage ...