4 US standard AC and 3 USB Charging Ports surge-protected outlets. Just plug it into your wall receptacle, then extends a single outlet into a power station which has 4 surge-protected AC outlets and 3 USB charging ports. It is perfect for nightstand/desk using. Unlike any other traditional power strips, its compact and modular design allows you to use all of the outputs at the same time, don't need to worry about obstructing other plugs.