This NRG Cigarette Plug Adapter Cord is a 3' coiled (6' extended) power adapter that allows Sony TR, TRV and DCR Series Camcorders to receive power from a cigarette lighter receptacle, such as found in an automobile. Its high-efficiency internal power converter accepts inputs from 9 to 16V. This accessory is ideal for documenting long car trips, allowing you to save the camcorder's batteries for other locations.