YESWELDER Digital MIG-205DS MIG Welder 200Amp 110/220V Dual Voltage Gas Gasless MIG Welding Machine MIG/Lift TIG/ARC 3 in 1 Multiprocess Aluminum MIG Welder Spool Gun Compatible

Choosable MIG Setting Synergic MIG Setting-provides communication between the power source feeder and torch--allows for automatic change of the voltage & wire feeding speed by adjusting the amperage or thicknesses. Easy works with new welders or users. Manual MIG Setting--meet the need of an experienced and professional welder by adjusting the voltage & wire feeding speed separately. Gas MIG Welding Can handle 2 lb and 10 lb rolls of wire. Shield gas:100% CO2 for steel 25% CO2 75% Argon for carbon steel 2% CO2 98% Argon for stainless steel and 100% Argon for aluminum. Recommended to use .030\" (0.8mm) &.035\" (0.9mm) ER70S-6 carbon steel welding wire; .035\"&.045\" ER4043 or ER5356 aluminum welding wire. Gasless MIG Welding Can handle 2 lb and 10 lb rolls of wire. Suitable for carbon steel welding. Recommended to use .030\" (0.8mm) &.035\" (0.9mm) E71T flux core welding wire. Default setting .035\" (0.9mm) on Synergic MIG mode. DC Stick Welding The YESWELDER MIG-205DS-B can easily run s