OPT7 Blitz 35w S2 H11 (H8, H9) HID Kit - Relay Bundle - All Bulb Sizes and Colors - 2 Yr Warranty [3000K Yellow Xenon Light] Newest Ballast Design: Higher grade silicone sealant, redesigned chip and insulated wires improves the Blitz S2's longevity up to 20% 4x More light than halogen - 4,500 lifetime hours - 35% less power usage with the Z-Arc "Mini-ball" Xenon bulb Plug-and-Play Installation: Just connect QuickSnap connectors, securely lock OPT7 bulbs into housing and you're done. No cutting, merging or headaches Comprehensive HID kit that includes a relay harness and capacitors. Everything you need is included! GET EVERYTHING: 2 bulbs, 2 ballasts, 2 Capacitors, 1 Relay Harness, a FREE 2 Year Warranty, and FREE Installation Support when purchased from OPT7Lighting.