Standard AC/DC power adapter accepts 110VAC-240VAC 50-60Hz input and provides output 12VDC with up to 5A output via barrel plug connection. Barrel plug is 5.5mm outside diameter, 2.5mm inside diameter.

Recommended for use with Acroname programmable USB hubs:
USBHub2x4 (S77-USBHUB-2X4)
USBHub3+ (S79-USBHUB-3P)