The Square D X Series USB A/A duplex decorator tamper-resistant outlet with back wire clamps combines a traditional receptacle with modern USB-A charging into a single receptacle. Use both USB-A ports to charge two devices at the same, adding time-saving convenience to your home. Wiring and installation is fast and easy with back wire pressure plate and ground screw pressure plate. Complete the look with one of the Square D X Series cover plates (not provided) that easily snaps into place for a modern, flush-facing finish to your walls. Enjoy a consistent look across your room or home with the full line of Square D X Series switches, dimmers, sensors, and receptacles. Sold in 1 piece, its mounting mode is made by screws. It is made of metal and plastic making it resistant and durable. This USB receptacle has a gray frame. It is tamper-resistant with invisible black shutters and it features protective painted surface treatment. This USB receptacle benefits from an elegant matte finishing, constituting an added value for your interior design. By satisfying the UL 1310 and the UL 498 standard, this USB receptacle is cULus certified. Charge two devices at once with two USB outlets-type A ports Child-safe design, with tamper-resistant shutters Easy-to-clean