Features: ▲Single phase 220V± 15%. ▲ Micro processing,powerful IGBT transistor.Multiple welding process for MMA/TIG lift ▲ Designed for portability and professional welding,comes with shoulder strap. ▲ Able to weld acid electrode rod and alkaline electrode rod. ▲ Automatic power ff after 30 minutes in idle. ▲ Hot start and arc force function gives perfect ignition,anti-stick function decrease the chances thateecrodesis0 base material.Protection against over load and over heat.Integrated VRD(Voltage Reduce Device)increases safety at work. ▲ Intelligent monitoring of the optimal operation conditions and protections of al the components with alarms. ▲ Proven reliability from top welding technology,guarantees superior welding performance and nice welding result. ▲ Wide usage for metal workshops, construction,repair and maintenance, DIY.