Cable Matters Single-Outlet Wall Mount Surge Protector with 2.4A Dual USB Charging Ports SINGLE-OUTLET wall mount surge protector converts any standard grounded AC outlet into a USB charging station in the house, office or hotel room 2.4A/12W DUAL USB power tap protects and charges two mobile devices such as a smartphone and tablet simultaneously; Dedicated USB charging ports eliminate the need for a proprietary wall charger and re-charge faster than a computer USB port PLUG & PLAY with this portable wall adapter that weighs less than 4 ounces; Stores easily in a computer accessory bag when traveling RELIABLE POWER SURGE PROTECTION combines a 538 joules suppression rating and low clamping voltage to protect all connected devices; Diagnostic green Protected LED verifies surge protection status at a glance SURGE SUPPRESSOR with shared dual USB charging ports is compatible with smartphones, tablets, MP3 players, digital cameras, GPS devices and more