Dual AC/DC welding capability: This welding machine can handle both AC and DC welding, making it versatile. Multiple welding modes: The TIG and MMA welding modes make this machine suitable for welding different types of materials, including steel, stainless steel, aluminum, and copper. High Efficiency: Our welding machine features10-200A output current, enabling high-efficiency welding of a wide range of materials. Energy saving: the HITBOX HBT250P ACDC uses high-frequency converter technology, which saves energy and ensures constant and stable operation. Adjustable parameters: The machine's welding current, pulse frequency, gas post-flow time, Duty-cycle and other parameters can be customized, allowing for greater control over the welding process.