allocacoc PowerCube DuoUSB Extended, 4way Socket 110V, US Socket Multiplier: add 5 outlets/4 outlets+2 USB in one compact solution Docking and modular System: mount the PowerCube on any flat surfaces with removable tape and stack it together to create a tailored source of power. No Blockage: the unique design of the plugs cannot obstruct each other, as each plugged to different sides Cable Management: include a CableFix that helps aligning the cables Specifications: 15A/125V~, surge protection, 1875W grounded