D-LINK DPS-800, Hold Up Time 16ms at Max Load and 115VAC Input at 60Hz Output Drop Down to 95% Voltage, Efficiency 75% Min. At Max Load and 115VAC Input, AC Input Voltage Rating 100VAC to 240VAC, AC Input Frequency 47Hz to 63Hz, Max. In-Rush Current 30A Max @ 115VAC, 60A Max @ 230VAC at 25° Ambient Cold Start, Line Regulation (+/-) 2% Measured Output Load From (+/-) 10% Rated Load, Weight RPSU (2.2 lbs) Weight Is Without DPS-800 Chassis, Weight Chassis (2.0 lbs) Weight Is Without RPSU Units, Storage -25° - 55° C (-13° - 131° F), Humidity Operating: 20% to 80% RH, Non-Condensing.