Product DescriptionProduct SpecificationsDual Voltage 110&220V Powered by 220V, using power adapter cord can be connected to standard 110V household current. Max Welding Thickness 1/2 inch Max Cutting Thickness @220V 5/16 inch Max Cutting Thickness @110V Cutting thickness varies depending on the material Pre-flow & Post-flow Function Built-in pre flow function, can isolate the air, arc smoothly, weld more beautiful Built-in post flow function, effectively provide cooling to extend the working life of consumables. Package Included Gas Nozzle Collect Body Collet Back Cap TIG Torch & Plasma Torch Plasma Cutting Torch Ceramic Nozzle Nozzle Diffuser Electrode TIG Torch Gas Nozzle Collect Body Collet Back Cap Welding PolarityDCEN Locate the Ground Clamp with Cable to the Positive Connector (+) on the Welder. DCEN Locate the Ground Clamp with Cable to the Positive Connector (+) on the Welder. DECP Locate the Ground Clamp with Cable to the Positive Connector (-) on the Welder. On Sep 17, 2023 at 02:26:25 PDT, seller added the following information: