* The Dash is the next generation of bicycle lighting engineered for road cyclists* Intense light output, powered by a 3 watt Cree X-LampLED* New Enhanced Cycling Optics achieves an extra wide beam and distant throw* 7 lighting modes to keep you safe, night and day. Night modes:High, Medium, Low, and SteadyPulse. Day Modes: Quad DRL steady,Quad DRL flashing, and Quad DRL with Main LED DayLightning* Micro USB rechargeable internal Li-ion battery* Water resistant design for all riding conditions* Side illumination ports for added visibility and safety* New Versatite flexible handlebar mount fits most handlebars,including aero bars* 1:15 to 55 hour run time