250A 110/220V Stick Welder ARC Welding Machine DC Inverter Welder Dual Voltage? Powerful Welding Capability: With advanced IGBT inverter technology, this welder is capable of welding a variety of metals, including mild steel, stainless steel, cast iron, and more. Professional Safety Certification: This welding machine has an ETL certificate for added safety and reliability. It also features built-in anti-stick, hot start, and excellent arc stability. Portable and Convenient: With a compact design and easy-carry handle, this welder is perfect for use anywhere you need it. It’s also energy-efficient, reducing damage to copper and iron and increasing welding frequency. Versatile Welding Options: This MMA welder is suitable for welding a variety of metal materials, including stainless steel, mild steel, aluminum, and more. Easy to Use: With a digital display LCD and included electrode holder, work clamp, input power adapter cable, and brush, this welder is easy to set up and use for all your welding needs.