Specs: 220V±15%, 8.9KVA, 41A, 30–320A output, 1–5mm electrodes, IP21S Built-in Hot Start and Anti-Stick for smooth arc ignition and stable performance Adjustable Arc Force for precise control and flexibility in various welding applications Advanced IGBT inverter with VRD, thermal protection, and fan cooling for long-lasting efficiency Perfect for heavy-duty welding with electrodes ranging from 1.6mm to 5mm