Main features of MIG/MAG: 1. Single-phases.Portable.With thermostatic protection. 2. ready to weld with MIG on mild steel. shielding gas sold separately. 3. self-shielded(gasless) flux-cored wire with optional innershield welding kit. 4. complete with flux welding accessories. 5. Fan-cooled for long life expectancy. Model Input voltage(v) Rated duty cycle(%) Dimension(mm) 20''CTN 40''CTN MIG-100 AC220-230 60 420*200*360 860 1750 MIG-125 AC220-230 60 420*200*360 860 1750 MIG-130 DC220-230 60 480*245*390 565 1150 MIG-175 DC220-230 60 680*340*430 260 525 MIG-195 DC220-230 60 680*340*430 260 525