The PowerCube Extended USB is the most extensive version of the PowerCube for charging your portable USB electronics while expanding the number of available AC outlets. It has a 5 Ft. extension cord fitted to it, so it can be mounted to have a power outlets within reach via an included stick-on dock. An ideal location is your desktop: there is no more need to duck beneath your desk to plug in your electronics! Its attractive contemporary design can be used both at home and for travel. Have you ever found yourself in a hotel that lacked sufficient AC outlets to conveniently charge your smartphone, laptop, tablet, etc.? The typical hotel has only one AC outlet by the bed with a clock and light plugged into it...no room to plug in your stuff! Are you constantly jumping up out of bed to charge your device, check messages, surf the net, text, etc.? This is the answer to that problem. Simply plug the PowerCube into the bed outlet, plug in the light and clock along with your USB and/or AC accessories and you are in business. The PowerCube can be used in a standalone configuration or cascaded together to expand its charging capabilities. It has four (4) 120VAC/15 Amp AC power outlets and two (2) 5VDC/2.0 Amp USB ports to reduce charging time.