The leviton usb Charger/duplex tamper resistant receptacles offer high power charging capabilities to get your electronic devices up and running fast! it features a Smart chip that recognizes and optimizes the charging power of your device for fast and efficient charging. Strategically placed Vertical usb ports provides generous room to insert and maneuver charging cords and adds to the contemporary and aesthetically appealing design. Plus, adapter-free charging eliminates unsightly clutter contributing to a neat appearance on countertops, desktops or wherever you choose to charge.