Power Supply Dimensions L x W x H: 93 x 54 x 36 mm Efficiency: 78.5 % Output current: 4.0 A Connection, primary side: 3-Pole C14 Appliance Inlet Connection, secondary side: 2.1 x 5.5 x 12 mm Barrel Plug Input voltage: 90...264 VAC / 135...370 VDC Polarity: +(C) Short-circuit-proof: Yes Cable length: 1.8 m Output voltage: 5 VDC Power: 20 W