【400% Brighter Than Halogen】Rcshine 9005 and H11 led headlight combo kit are made of latest CSP TX1860 led chips with 6000K cool white light; 200% brighter than your stock halogen headlights. Without any dark spots or foggy light. 【Over 5,0000 Hours Lifespan】This Led Headlights with aluminum heat sink and 12,000 RPM turbo cooling fan with high efficiency cooling to ensures your LED Headlight bulbs Over 50,000 hrs of brilliant continuous light. 【10 Minutes Easy Installation】Combo package, Saving time, Plug and play. No relay. No capacitors. No extra wiring. Perfectly fit your housing and plug directly into your original sockets. No more modification required on headlight housing or cover. 【WARNING AND CAUTIONS】 While these 9005 and H11 bulbs are compatible with a wide range of existing vehicles, not all vehicles are supported. Not recommended to install on daytime running light with less than 6 voltage. For canbus-equipped vehicles such as 2011+ American, German, and Korean vehicles, You may need a decoder/canbus to prevent flicker lights and/or error messages on dashboard.