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. S7 250A 110/220V Stick Welder Machine For MMA ARC. Built In Hot Start, Anti-stick, Dig-arc Force. Compact Portable Design, Mini Size. Support 110(120)V & 220(230)±15%V Dual Input Voltage. 85% Duty Cycle, Higher Efficient Welding Than DIY Tools. Robust Thrust, Deep Melton Pool, And Less Splatter. Input Voltage:110(120)V/220(230)V. Rated Duty Cycle:85%(250A). 1 x ARC Welding Machine. 1 x 110/220±15%V Conversion Line Adapter. 1 x Stick Welding Rod Electrode Holder. 1 x Arc Welding Ground Clamp. 2 x Quick Plug. 1 x Welder Operation Manual. 4.1 out of 5 stars. 4.4 out of 5 stars.