OPT7 Bolt AC 55w Single HID Kit Motorcycles - 5X Brighter - All Bulb Sizes Colors - Simple Install - 2 Yr Warranty [H7-6000K Lightning Blue] Bolt 55w Series: MAX bright 3,900 Lm light - 25% brighter than typical HID kits - Increased reliability with AC ADAPT technology (lasts 20% longer) 5x More light than halogen - 6,000 lifetime hours - 35% less power usage with the Z-Arc "Mini-ball" Xenon bulb COLOR PERFECTED: A perfect blend of xenon gas, calibrated by our own Unicolor xenon computer to ensure your vehicle is seen in the best light SIMPLE INSTALL and GUARANTEED FITMENT: Made to fit your motorcycle's stock halogen housing and sockets. As easy as replacing a light bulb Includes 1 Bulb, 1 Ballast, a FREE 2 Year Warranty, and a FREE Installation Support when purchased from OPT7Lighting.