48 super bright red LEDs per unit, providing a brighter light output and wider viewing angle than even the original Genesis« LED turn signal inserts The outer ring of 24 red LEDs illuminates in a red halo ring that functions as the running light while 24 center red LEDs provide a full-contrast brake and turn signal light for maximum visibility 1157 pigtail bulb base for plug and play rear turn signal applications. INSERT R LED TSIG RD 1157