15A Tamper Resistant receptacles with wall plate increases safety, preventing objects from being inserted into the USB outlet 2 (2.4A) Duplex Receptacle USB Charging ports, high speed charging to 2 USB device at same time Embedded In The Wall. Replace a standard duplex receptacle and save your space Easy to install, the package includes detailed instruction, 2 duplex receptacle( screw and standard size wall plate each) and also compatible with back and side wiring 2.4A 5V DC for 2 USB port provides the fastest charging to your smartphones and other devices. Oviitech friendly and reliable customer service will respond to you within 24 hours. ETL/CETL Certified