Just because the sun is going down doesn't mean you need to cut your ride short with Cygolite's Turbo 800. It uses a high-powered Cree LED and refined optics to unleash a huge 800-lumen beam. With six modes including high, medium, and low modes as well as flashing and walking modes you'll get 2 - 18 hours of run time. The unique SteadyPulse mode alerts night time motorists with pulses of light while still constantly lighting your path. The Turbo comes with a stem mount external battery, wall charger, cables, and handlebar mount.