Specs: 220V±15%, 8.4KVA, 38.1A, 72V OCV, 30–300A output, 1.6–5mm electrodes, IP21S Supports E6013, E6010, E6011, E7018 welding rods Built-in Hot Start and Anti-Stick for smooth arc ignition and reduced arc interruptions Adjustable Arc Force for enhanced arc stability and control during welding IGBT inverter with VRD, thermal protection, and fan cooling for extended service life