Lights Dim Over Time, Replace In Pairs: Your lights are a pair, one is never turned on without the other. If one bulb burns out, the other isn't far behind. Replace your H7 XtraVision Halogen bulbs in pairs for optimum performance.More Downroad Visibility: XtraVision bulbs have an enhanced downroad visibility with no added glare.Reliable Design For Optimal Performance: XtraVision bulbs have a robust filament design and propriety gas mixture that can be driven for superior performance.Manufactured To Be Durable: XtraVision bulbs are designed and manufactured to improve your driving situation while providing maximum durability.The Sylvania Standard Of Quality: With over 100 years in business, Sylvania is the world leader in automotive lighting for Original Equipment Manufacturers (OEMs) and the aftermarket. Product Description DIY INSTALLATION: Direct replacement for the factory bulbs in your vehicle, no modification required DEPENDABLE: Designed and manufactured to improve driving experience without compromising bulb life SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color Color Whiter Light Whiter Light HID Attitude White Light Downroad Farther Farther Farthest Farthest Clarity More More More For Ultra Night Vision Style Look of HID Lights Street Legal