OPT7 Blitz Slim 9007 Bi-Xenon HID Kit - 3.5X Brighter - 4X Longer Life - All Bulb Sizes and Colors - 2 Yr Warranty [5000K Bright White Light] Blitz Slim Series: Brilliant 3,100 Lm light - Reduced flickering with non-cycling technology - Crisp Clean HID Xenon Light with a 30% smaller compact casing 4x More light than halogen - 5,000 lifetime hours - 35% less power usage with the Z-Arc "Mini-ball" Xenon bulb Specialized 9007 Bi-Xenon bulb upgrades both your low and high beams to brilliant HID Xenon light Compact Slim Aluminum Casing - Waterproof Seal - Rumble Resistant Padding WANT THE BEST? Maximize bulb life and performance with an HID relay. Sold seperatly