Uses standard 230 volt household current. AC welding output. Infinite amperage adjustment. Thermostatic heat protection. Portable wheel and handle kit Other features include: professional dinse style cable connections; fan cooled transformer; illuminated power on indicator; illuminated thermal overload indicator; and thermostatic heat protection. 5-2-1 warranty. The FP235 offers powerful 235 Amp AC (SMAW) welding performance at an affordable price. The FP235 features infinite amperage adjustment, which provides precise welding control. This versatile unit is ideal for both light and heavy duty repairs. The FP 235's rugged, portable design delivers the reliability and performance to make it an ideal unit for general fabrication as well as farm, ranch, automotive and light maintenance repairs.