Supercharged 1:15 to 85 hour run time. Extremely powerful 1,800 lumens in the most compact and stylish form. Cycling Tuned Optics™ throws a long range, extra wide beam to cover road and mountain biking Daytime visible flashes make you stand out on busy streets Two-button design lets you fine tune the brightness and flash speeds to your cycling needs. Expand run times beyond factory default settings by fine tuning the brightness modes and flash speeds 9 lighting modes for day and night use SteadyPulse® mode alerts motorists with attention grabbing pulses while its overlapping steady beam constantly lights your way at night. DayLightning® flash mode bursts lightning-like flashes to make you stand out in broad daylight on busy streets 252 grams IP67 water resistant for use in all weather conditions USB rechargeable with 5 hours recharging time Designed, engineered, and assembled in the USA 
