Read more More details and polarity design 6500k cool white 6500K cool white color is closer to daytime light，and the vision is crisp clearer than 3500K Halogen IP68 waterproof performance Rugged airship-class aluminum full housing enable safe driving in foggy, snowy and rainy weather 5 times tougher than ever Polarity for higher luminous The plug is polarized to ensure greater output power Pay attention to distinguish the ' + ' and ' - ' poles, and than just plug and play Read more Features that are different from others nternal built-in smart temperature control condenser tube design can effectively reduce the working temperature by 80℃,keep the stable lighting and performance Equipped wite 360° adjustable buckle, the X4 H11 led light can be adjusted to the right position , compatible with more car models Note: Most models are original matching, no additional adjustment is required. If you find it is not the correct beam pattern, you can use the provided wrench to adjust to the correct snap position according to the instructions Read more How to choose the right bulb? Please see here to make sure your bulbs right Fitment Warm Tips: If you are not sure your vehicle could fit our led lights or not, please check your assembly or your owner's manual