Avocent SPC1600 Device, DS Series. Nominal power: NEMA 5-20R, 100-120V, AC input frequency: 50 - 60 Hz. Weight: 54.4 g. Operating temperature range (T-T): -15 - 55 °C, Storage temperature range (T-T): -40 - 85 °C, Operating relative humidity range: 10 - 90 %