HIGH SPEED CHARGING TECH: In-wall duplex electrical receptacles with two USB charging ports with a total output of 3.6 Amp 30W 5V DC TAMPER RESISTANT: Duplex 20 Amp receptacles feature tamper-resistant shutters to prevent accidental insertion of objects or accidental contact by children; Improved safety and comply with NEC requirement UNIVERSAL COMPATIBILITY: Two USB ports provide the fastest charging, compatible with iPhone, iPod, Android mobile phones, tablets, e-readers, headsets, cameras and other USB-powered gadgets, without the need for additional adapters or power bricks SAFETY & MULTI-PROTECTION: Our USB outlets receptacles equipped with built-in surge protection, overload protection, and short-circuit prevention, etc; Owning UL safety certification SPACE-SAVING: Our USB wall outlets combine a traditional AC outlets with built-in USB ports to save space, making it ideal for rooms with limited wall space EASY TO INSTALL: Wall receptacle supports side wiring and back wir