The SP-170T is a single phase, 208/240 volt, 170 amp portable MIG welder. Designed for MIG gas shielded and MIG gasless welding . Cart is included and accomodates the large or small gas cylinders. Plugs into a Electric Dryer outlet with 75ft of extension cord. CO2 Gas regulator included, and also included is a part roll of .035 wire and a new roll of .035 flux core wire.