The Genesis 4 turn signal inserts boast an amazing 48 dual-color LEDs that product the brightest full running light and turn signals. When the turn signal is activated the driving light turns completely off providing greater visibility to the amber turn signal.; Bullet style 48 super bright dual-color LEDs producing full white running light (Halo Free) with full amber turn signal 1157 pigtail bulb base for plug and play front turn signal applications Full white driving light illumination Full contrast amber turn signal Black circuit board Plug-and-play front turn signals 1157 pigtail bulb base BCM compliant Smart signal stabilizer or load equalizer may be required Limited LED warranty Compliant with FMVSS standard 108 #5