The heavy duty DeWalt 140 Watt patented power inverter charges via AC and USB outlets. Just plug the power cord into a vehicle's 12-volt DC port (cigarette lighter) to enjoy the convenience of a household outlet and USB ports. It features dual 3.1 Amp USB ports that allow you to charge and power smart phones, tablets and much more from just about anywhere. The inverter includes a single 120 Volt AC electrical household outlet to charge laptops, video games, cameras and other small electronic devices. Included is an installation kit for mounting in your vehicle.