280 lumens with 5 lighting modes. Cree X lamp LED. 247 Safety Technology with SteadyPulse and DayLightning settings for safe night and day riding. Side illumination ports for wider visibility to others around you. USB rechargeable Internal Li ion battery with 1:30 10 hr run time. Custom optics made for cycling. Light mode memory recalls last mode used. 90 grams. System Includes USB cable and handlebar mount
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