Duracell 100W Mobile Inverter with USB Port Converts 12-volt DC power from your vehicle battery into 120-volt AC electricity, including 3-prong plug Flex-neck helps keep the inverter out of your way so it can be used in hard-to reach areas and adjustable lighter plug to accommodate different lighter socket sizes Convenient USB charge port and overload shutdown and over-temperature shutdown protection Compatible with many popular portable electronics (up to 100 watts), including: laptops, netbooks, cell phones, iPod/iPhone, portable DVD players, handheld game devices and more Over-temperature shutdown and overload shutdown