Technical Parameters:Model: HBT2000Power Voltage (V): AC 110V/220VFrequency (HZ): 50/60Rated Input Current (A): TIG: 28, ARC: 43.6No-load Volt. (V): 42Output Current (A): 10 200Rated Working Volt. (V): TIG: 18, ARC: 28Duty Cycle (%): 60No-load Loss (W): 40Arcing Way: HFEfficiency (%): 80Power Factor: 0.73Insulation Grade: FHousing Protection Grade: IP21S 200Amp TIG/Stick welder, High frequency up to 100KHZ suitable for stainless steel, alloy steel, low carbon steel, copper, cast iron, chromium and other metals 110V/220V Dual voltage IGBT inverter Tig/ARC welder features automatic overheat and over current welding protection. A reliable work tool for professionals or personal use New downslop function helps decrease the current linearly and protects the weld surface with beautiful patterns.2T(Manual) for the re-tack welding / 4T(Semi-auto) switch for welding medium thickness plates Upgraded WP-26 TIG torch with new quick connector, easy to connect and disconnect, can tightly fit, barely leak gas. Ideal performance for most 6010, 6011, 6013 and 7018 rods Application of Tungsten electrodes diameter: 1/8", 3/32", 3/16", 1/16", 5/32. Perfect welding can be achieved, almost no spatter and post-weld cleaning.