... .Single phase, DC, fan-cooled, thermostatic protection. 2.Adopt with advanced inverter technology. 3.Stepless current adjust. 1..Single phase, DC ... , fan-cooled, thermostatic protection.2.Adopt with advanced inverter technology.3.Stepless current adjustment.4. Suitable for flux ... cable, brush/hammer, protectibe mask,carton box. MIG-250Y Welding Machine