Seventeam ST-350U-AC. Nominal power: 350 W, AC input frequency: 50/60 Hz, Input current: 4/8 A. Weight: 2 kg. Mean time between failures (MTBF): 50000 h. Safety: CE, TUV, CB, CUL, CCC, BSMI, Certification: 80PLUS. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 20 - 85 %