Weld in gasless mode. Thermal overload proctection. Fan cooled for better performance. Main Features:1. Single phase DC, weld in gas and gasless mode.2. Thermal overload protection.3. Fan cooled for better performance.4. 4-step voltage control, for better welding heat control.5. Stepless wire speed control, with electronic gas valve.6. Supplied with MIG torch, earth clamp, helmet, brush and ...