The Cobra CPI 130 Microport 130W DC-to-AC Power Inverter takes low voltage DC (direct current) power from your automobile or other low voltage power supply and converts it to standard 110 volt AC (alternating current) power like the electrical current you have in your home. Simply by plugging your it into your vehicle's cigarette lighter socket, you can use many of your household appliances and electronic products in automobiles, RVs, boats, tractors, trucks, and virtually anywhere else. It also has a USB output, ideal for using/charging most small video games, an IPod, a Blackberry, mobile phones, and many more USB devices. Its compact size and easy installation makes it ideal for travelers.