Topeak WhiteLite™ HP 2W Dual

2 x 2 watt LED dual lamp system produces a trail blazing 22 Lux of illumination at 10 meters while still delivering good run times.
Stem mounted Li-Ion rechargeable battery powers dual handlebar mounted WhiteLite™ 2w lamps providing 2.8 hours of run time at 4 watts with 20 minutes of reserve and 5.3 hours with 20 minutes of reserve at 2 watts.