The niterider174 lumina oled 950 boost is an innovative bike light that removes the guesswork related to battery life allowing you to plan your next ride safely with complete confidence day or night the oled multifunctional digital display screen delivers precise battery run times as a percentage and actual time for the lumina oleds 9 lighting levels the lumina oled 950 boost features a cree174 led and a custom engineered reflector producing a generous long distance spot and wide