High performance PY20D wedge base 9140 H10 9145 LEDÂ switchback bulbs, best fog lights replacement, dual color 6K xenon white and 3K yellow easy switch. This H10 9145 LED bulbs are used to upgrade OEM dim halogen, HID, damaged Lamps, fog lights, DRL(daytime running lights) bulbs for better vision, luxury and safer driving.