A functional and easy to use adaptor/hub with 4usb ports. Adaptors can be used in the UK, US, AUS & EU. Input: AC 100-240V . Output: DC 5V/2.1A ( split across the 4 ports ). Charges mobile phones & tablets • CE certification • ABS: 7.6 ( l ) x 2.9 ( w ) x 5.5 ( h ).