Features:Portable size and lightweight welding machine for easy carrying.Output current control, support for regulating current range from 20-200A.LCD display, easy to adjust current strength, suitable for welding different materials.High frequency inverter with fast arc and less welding spatter.IGBT technology for excellent arc stability, ensuring long-term soldering.Specification:Recommended Welding Stick Diameter:<=2.5mm(Usually)/3.2mm(Occasionally)Application Electrodes: normal, stainless steel, cast iron and other basic coating electrodes.Applicable Material:Stainless Steel,Alloy Steel,Carbon Steel,Cast IronWelding Thickness:0.8~10mmColor:OrangeMaterial:Iron+ABS PlasticMaximum Soldering Stick Diameter:3.2mmCurrent Strength:20~200ACapacity: 4.7KVAWattage: 4000WNo-load Wattage: 40WRated Wattage Lasting Time:60%IP Level: IP21SWeight: 4250g/9.37lbPackage List:1*Welding Machine1*1.5m Cord 300A Grounding Clamp1*2m Cord 300A Welding Tongs1*Simple Folding Welding Mask1*2 in 1 Wire Brush /Slag Hammer1*User Manual.