Combination Duplex Receptacle/Outlet and USB Charger. 20 Amp, 125 Volt, Decora Tamper-Resistant Receptacle/Outlet, NEMA 5-20R. 3.6 Amps, 5VDC, 2.0 Type A USB Chargers. SMART - Built-in smart chip recognizes the individual devices charging requirement to optimize the charge. POWERFUL Two high-powered charging ports with 3.6A of charging power. CONVENIENT No more searching for charging adapters! Upgrade your existing outlets so you can charge up to two USB powered electronics at once, leaving the outlets free for additional power needs. EASY - Compact design fits in a standard wallbox and works with Decora and Decora Plus screwless wallplates.