Specification: Name: Multifunctional inverter welding machine Material: Stainless steel Power: 4000W 220V rated maximum input current (A): 32.2 (MIG), 20.5 (TIG), 33 (STICK) 110V rated maximum input current (A): 54.8 (MIG), 36 (TIG), 55.8 (STICK) 220V current adjustment range (Amp): 50~180 (MIG), 15~160 (TIG), 15~160 (STICK) 110V current adjustment range (Amp): 50~160 (MIG), 15~140 (TIG), 15~140 (STICK) 220V rated output voltage (V): 23 (MIG), 16.5 (TIG), 26.5 (STICK) 110V rated output voltage (V): 22 (MIG), 15.6 (TIG), 25.6 (STICK) 220V welding thickness: 2~10mm 110V welding thickness: 2~8mm No-load voltage: 56V Load duration (40°C): 35% Wire feeder type: built-in Wire feeding speed: 3~11m/min After gas time: 0.5S Efficiency: 80% Power factor: 0.73 EMC classification: A Protection level: IP21 Insulation class: F Cooling method: air cooling Net weight: 10KG Gross weight: 15KG Product size: 44*20.3*35cm Packing size: 52*35*41cm Packing List: Host *1 Welding wire*3 Cleaning brush*1 Manual *1