Desktop power supply unit Dimensions L x W x H: 87.5 x 51.5 x 34 mm Efficiency: 80 % Input frequency: 47...63 Hz Output current: 2.4 A Residual ripple: &lt, 120 mV Voltage tolerance: ±5% Weight: 140 g Connection, primary side: Interchangeable Adapter Connection, secondary side: Pole Reversing Coupling Input voltage: 90...264 VAC Plug version: EU / US / UK / AUS Polarity: Reversible Short-circuit-proof: Yes Standards: EN 60601 Output voltage: 5 VDC Power: 15 W