DeWalt 140 Watt Power Inverter w/USB Ports, Features a single 120 volt AC outlet with dual 3.1 Amp USB charging ports, Plugs directly into your vehicle's DC plug (cigarette lighter), Perfect for charging small electronics such as a cell phone, tablet computer, and other electronic devices, Features a fan free, silent running design and low voltage with automatic shut-off; Will not drain your vehicle battery, Installation hardware included