car h3 led headlight bulbsAuto LED Headlight Light H4 car h3 led headlight bulbs 1. LED Headlight conversion kits DescriptionThe main difference between LED technology versus HID is LEDs require less power, no ballast, last significantly longer and feature "Instant On" with no ballast "warm up". Newest LED technology featuring plug and play installation.Your questions will be very welcome, please feel free to contact us.