The 3-side design that makes it easier to make the plugs not covering any outlet, and the 8 AC outlets with 1.78 inches long space in between, larger than standard 1.5-inch socket. Larger spacing makes it easier to use for all kinds of equipment. 2 USB A charging ports and 2 USB C charging Port total 3A, each USB A port features 5V/2.4A Max output. USB C charging port features 5V/3A MAX. Can power up to 12 devices simultaneously.Wide range voltage design, can be used on 120v to 240v circuit.