Powerful 350 lumen with 2-button design to adjust speed of each flash mode and brightness of Steady mode Dual LED optics throws a long range, extra wide beam Daytime visible flashes make you stand out 7 modes for day and night use (Steady, Zoom, SteadyPulse, Bzzz Flash, Triple Flash, DayLightning Flash, Random Flash) SteadyPulse: steady beam to help motorists gauge their distance while overlapping pulses keep them alert at night DayLightning: lightning-like flashes to make you stand out in broad daylight Zoom: signals those around you with a gentle changes in brightness Bzzz Flash: alerts those around you with highly visible fast buzz-like flashes Hard seat post mount and seat stay mount Light mode memory saves the last mode you're in Durable, 60g IP64 water resistant for use in all weather conditions USB rechargeable with 2 to 200h runtime and 3h fast charging Low battery indicator Designed, engineered and assembled in the USA 
