The Hella Bi-Xenon Adaptive Headlight Assembly - H11077021 is a high-quality automotive headlight assembly designed for use in a variety of vehicles. It features a bi-xenon design, which uses both high and low beam xenon bulbs for improved visibility and brightness. The adaptive feature of this headlight assembly allows it to adjust the direction and intensity of the light beam based on the vehicle's speed and steering angle, providing optimal lighting in all driving conditions. This product is manufactured by Hella, a trusted brand in the automotive industry known for its durable and reliable products.