Alla Lighting UM-2018 Newest Version Latest Design with turbine heating advantage UM-2018 H8 H9 H11 LED Headlight Bulbs Conversion Kits-Perfect Replacement the Halogen H11 bulbAlla Lighting pursues to offer the best valuable guaranteed led light bulbs for the customers, this led headlight adopts the original reflection light output with high illumination custom 2ND-ZES LUMILEDS led chips,6063 Aviation Aluminum and red copper vacuum tube & best turbine blade heat sink for much better heat dissipation to achieve longer lifespan & much further lighting distance.Here is UM-2018 LED H11 H8 H9 Headlight Bulbs specificationLED Chip Type:high quality and high illumination of 2nd ZES LIMILEDS chips.Heat Dissipation Technology::Newest technology Turbine blades -heat sink.makes the bulb much better heat dissipation to achieve much longer lifespan up to 30000h.High illumination light: Each bulb light output will be up to the maximum 4000 lumens in perfect condition (total 8000 lumens in total for both led headlight. Easy installation: For most vehicles, just Plug-N-Play, car installation manual included. Yet for some European vehicles or newest version, your vehicles may require to install the load resistor or decoder to avoid the error coder or blinking-off issues. This happens due to led bulbs draw much less current than stock lamp.True 6000K~6500K Cool White Lighting: Crystal clear daytime white lighting. Plus âInstant-Onâ capability with MINI-design.