One welder with three functions including MMA, TIG, CUT. Little spark, beautiful weldingseam,energy saving. Model: ... : 85%Insulation class: BProtection class: IP21Rated input current(TIG/MMA/Plasma CUT)): 20/29/ 35AOutput current adjustment range ... 5L/min(TIG), 80L/Min(CUT)Suitable diameter of rod: 4mmMax.cutting thickness: 14mmSelf weight: 13kgSize: 425x205x355mm DC Inverter MMA/TIG/CUT welder