2001-2018 Freightliner Columbia headlights to improve driving safety Specially designed to provide perfect modified headlights for commercial trucks. The lamps use white and yellow two-color high and low beam LED projector modules, high-brightness daytime running lights and direction lights to perfectly match your taste. . Adopting Plug & Play design, installation is quick and easy without modifying the original vehicle wiring, ensuring that the original factory warranty is maintained. This product is suitable for 2001-2018 Freightliner Columbia headlights and has passed FMVSS 108/DOT certification to ensure quality and durability. In addition, we provide a one-year after-sales warranty, allowing you to enjoy worry-free repair and replacement services.