Cable Matters Tamper Resistant Duplex AC Outlet with 3.4A USB Charging and Faceplate INNOVATIVE AC RECEPTACLE with USB charging replaces a standard duplex grounded outlet for powering and charging up to four devices; Reduce cable clutter with this wall outlet offering flexible power and charging options TAMPER RESISTANT wall receptacle with safety shutters in the AC outlets prevents accidental insertion of foreign objects and complies with residential building codes; Dual USB outlets are engineered to protect your valuable devices with over-voltage and over-current protection UL LISTED 3.4A USB receptacle provides dedicated 1 amp and 2.4 amp ports for charging a smartphone, tablet or other USB device in a convenient location; Energy-efficient USB ports detect when a USB cable is connected for no-load vampire power draw; Charge a smartphone and tablet simultaneously; USB ports are oriented vertically for reducing stress on your device cable when charging SCREW-ON FACEPLATE coordinates with the USB outlet receptacle for a safe and professional looking installation in a living room or conference room; Recommended installation in a minimum 16cu single gang wall box to accommodate the USB transformer; Options for either back wiring or side wiring of in wall receptacle USB COMPATIBLE with smartphones and tablets such as an iPhone, iPad and popular device brands from Samsung and Nexus; 5 volt USB charging compatible with portable devices such as a Bluetooth speaker, GPS device and more