H11B LED Headlight Conversion Replacement Review

[Superior brightness]-H11B LED headlight bulb,with Korea COB Led chips gives out 8000Lumens, 4 times brighter than halogen bulbs, 60% than ordinary Led bulbs; 6000K light color=midnoon sunlight=less vision fatigue. [Advanced System]- H11B LED-Customed driver with multi-function: Smart Heat control, EMC radio-friendly, Constant currency, Cumbus ready, 94.4% luminous efficacy, Aluminum substrate, 6063 Aluminum. All makes a better bulb. Enjoy the Top tech. [Strict QC for 20000h Life]: Each bulb has gone through 6 tests: 24h aging test, 8h over heat test, freezing test, water proof test, vibration test, overload test. Bring your stable bright vision for 40000h. [Easy installation]: LED HEADLIHGT BULB H11B,lighting position-1:1 same as original halogen;Mini design-only 1.38" heat sink easily fits into bulb housing of 99% car models;Standard plug-fit factory sockets. Just plug and play. [GUARRANTEED]: International quality assurance and street law. And if there is any quality problem about out bulbs, we guarantee free refund or change within 30 days and be under service for 18 months.