Bi-Xenon HID replacement bulbs in various sizes and colors: Up to 500% brighter than halogen = enhanced visibility 3600 lm = ultra-bright, ultra visible, ultra awesome! Sealed vacuum induction xenon gas produces over 2.5x bulb life, without fading! Arc Quartz design increase clarity and reduces light refraction OEM-Grade UV Cut Quartz Xenon Bulb 12-Stage Quality Control Process ...