Smarthome SELECT 59699 3-Outlet Power Adapter and Dual-Port 2.1A USB Charger with Surge Protection 3 AC outlets support 120 Volts, 15 Amps, 1875 Watts of power output for standard 3 prong plug-in devices 2 USB ports support 5-Volts, 2.1 Amps of charging output for phones, tablets, laptops and more Surge Protection of 450 Joules and 22,500 Amps (Maximum Spike Current) LED protection indicator light 3-prong plug fits into the top receptacle of an outlet and a stabilizing tip fits into the bottom receptacle for a secure mount