The heavy-duty DEWALT 140 Watt Power Inverter converts a vehicles DC battery power to household AC for power on the go! It powers or charges devices via its AC and USB outlets. Just plug the power cord into a vehicles 12-volt DC port (cigarette lighter) to enjoy the convenience of a 120-volt AC household outlet and 2 USB ports! The AC outlet can handle small appliances and electronics. The 3.1 Amp USB ports allow you to charge and power smartphones, tablets and much more from just about anywhere. An installation kit is included for mounting in your vehicle.