Compatible with smartphones and tablets, USB charging compatible with portable 5V devices such as a Bluetooth speaker, GPS device and more Dual High-Speed USB Charging Ports (Type-A): 5VDC & 3.6A in total and 2.4A per port, leaving the outlets free for additional power needs and saving space Tamper Resistant: Enhance electrical safety, keep children&babies safe, and prohibit foreign inserted objects from accessing to electrical contacts Easy Installation: Designed for back and side wiring, wall plates and screws included Warranty: 3-year worry-free warranty, UL certified. Caution: Do not unscrew the terminal screws too far or with excessive force. Do not use power tools to loosen the terminal screws Package contains: 15× Dual USB Ports Wall Charger Outlet with Wall Plate and Screws.