Light source chip: Automotive grade custom chip NOVSIGHT 7035. Light Socket: H4 HB2 9003. Q4: Will this bulb give error code or tend to flicker，or neither side lighting up, or work inconsistantly?. Super Bright--- Made with superior LED chip sets, the LED Lamp beads combined with optical lenses can provides farther and wider lighting range, almost 300% brighter than original halogen bulb.
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