The niterider lumina 450 and sabre 50 light set is an ideal commuters duo the lumina 450 front light is a compact and bright headlight designed to help you pick out those pesky potholes and sunken drain covers delivering 450 lumens the lumina packs a punch helping you navigate your ride allowing you to see and be seenas with all luminas in the series it features a low battery indicator when the power button changes from blue to red color this indicates that there is approximately 15 20