Xenons4U deals in specialized automotive products. As an online retailer, we provide services for the best automotive products across the UK. We offer the best Hella 5DF008704-70 Land Rover YWC500440 AFS Power Module Midi Control Unit which is factory fitted on Land Rover cars with Xenon or Bi-Xenon headlights. It is responsible for controlling auto levelling also known as range adjustment and adaptive cornering lights. Corner Lighting is when you turn your steering wheel to the left or right side Xenon HID lights also move to the same side. If any of these functions aren't working anymore or you see an error message on your car's dashboard related to AFS ballast, then it needs to be replaced. To know more about the product, simply visit our website.