The Decor Duplex 4.0A USB Charger is designed to quickly and easily replace existing outlets allowing you to charge multiple devices at once without sacri?cing power outlets. Simply connect the USB end of your device’s charging cable into either of the USB ports, then connect the charging end of the cable to your smartphone, tablet, or other device. Fits in a standard wall box, is compatible with standard wall plates and can be multi-ganged with other devices.