... arc welding machine -1 tool do cut,weld,braze,solder all -work no need gas but water -CE,UL.CCC+2 year warranty arc welding arc welding ... as :air-conditioner Maintenance & Installation, casting pipe RepairFire-fighting,Emergency RescuePortable, MultifunctionalAutomation/Marine Repair ... :Performance specificationSupply main voltageV110/220± 10%Line frequencyHz50 - 60Power consumptionKWUp to 3.5Power ...