Bestten Quad USB Outlet In-Wall Receptacle, 4 High-Speed USB Charging Ports (4.2AMP/21W Total) with Wall Plate, ETL Certified [2 Pack] High-End Quad-USB Charging Receptacle, each port supports up to 2.4amps (4.2amps total). Ideal for tablets, smartphones and other USB devices Ideal for home, commercial and professional workstations such as airports, hotels, shopping malls, offices and home offices Easy installation. Replaces a standard duplex receptacle minimizing charger clusters 5V DC/21Watts/Type A Class 2.0 ETL certified.