JLC CANBUS Error Free HID Decoder/Warning Canceller for Audi, BMW, Mercedes, Chrysler, Dodge, and more - Type 1 Bulb Measurements & Diameter: (Approx. L" x W") 1.88" x 0.58" Available Colors: Gloss Black Fit Manufacturer Part No.: Universal Fit to all aftermarket HID Conversion Kit Ballasts Uses: Headlights Housings and Fog Lights Housings