Features & Details Advanced IGBT Technology: This 3-in-1 welding machine uses advanced IGBT inverter technology for stable, consistent welds. Students and educators can practice welding carbon steel, iron, stainless steel, and other metals with reliable performance. Convenient Flux Cored Wire: Compatible with 0.031" and 0.039" flux-cored and solid welding wire. Handles 2.2 and 11-pound coils with adjustable wire feeding speed—ideal for hands-on learning at different skill levels. Easy Control Panel & 3 In 1: Three welding modes (MIG, MMA, and Lift TIG) let learners explore different techniques. Knobs adjust current, voltage (110V or 220V), and wire speed. The LCD digital display makes settings clear and easy to understand. Safety & Overheat Protection: Built-in protection automatically shuts down the machine if it overheats or becomes overloaded. IP21 water-resistance rating protects against splashing in workshop environments. Compact and Portable: Weighs just 21.7 pounds with a comfortable handle. Easy to move between classrooms, labs, or storage—perfect for vocational programs and technical education settings. Use under adult supervision. Follow manufacturer's instructions.