A easy to install and well priced complete LED light bar for any DC 12V battery or systems. Can run directly from any 12 volt battery or transformer. Perfect for off grid solar , marine , cars , boats , emergency lighting , DC grids and motor homes. An acrylic + aluminum heat sink casing LED light tube that only consumes 4W of power , complete with wiring and battery clamps , this unit is ready to go with any DC 12V battery or home existing voltage wiring ( battery clamps not included with high voltage model ) Perfect in your car or as a emergency lamp. UPC: 755702903127