The GPS Dual Socket Power Adapter provides 2 power receptacles from a single outlet in your vehicle, allowing you to use 2 car chargers to power or charge multiple devices at one time. Simply plug the Power Adapter into your cars power outlet and connect the car chargers for your 2 devices. The Power LED light will turn on indicating that both devices are receiving power. Ideal for keeping you up and running, while on the go, and for powering devices like GPS, Cell phones, Satellite Radios, iPods, iPhones.