The NuGiant Wall Tap Surge Protector with USB Charger plugs directly into a wall outlet. It has 2 USB charger ports with current charge support of 2.1A. It has built-in patented fireproof X3 MOV for maximum safety with 1080 joules that is ideal for countertop, home and travel use. It also comes with Premium EMI/RFI filtering, LED protector indicators and auto shutdown