[VRD Optional]: Voltage reduction device, "ON" can anti-electric shock, "OFF" can arc easier with excellent welding effect. [LCD Screen Panel]: Intelligent LCD panel presents welding data visually,which helps to read it clearly. [Good Performance]: Sunstac welder is compatible with 6010 cellulose rods, 6011 and 7018 welding rods, capable of welding cast iron, mild steel, stainless steel and a wide range of materials. [Multi-function]: Adjustable hot start and arc force makes the arc striking easier and avoids rods sticking, 2 in 1 welder enables to choose stick or lift TIG welding mode as you want. [Portable design]: Sunstac welder with an easy carrying handle, compacted and light weight design is convenient to be used anywhere you need.