Its 1,400 lumens throw a long range, extra wide beam to cover road and mountain biking in the most compact and stylish form Daytime visible flashes make you stand out 9 modes for day and night use (Boost, High, Medium, Low, SteadyPulse, DayLightning, Triple Flash, Zoom, Walking) SteadyPulse mode: steady beam to help motorists gauge their distance while overlapping pulses keep them alert at night DayLightning flash: lightning-like flashes to make you stand out in broad daylight Hard clamp handlebar mount with quick release secures the light in tough terrain Light Lock Mode lets you disable the light for transport or storage Durable, compact, only 185g IP67 water resistant for use in all weather conditions USB rechargeable with 1:15 to 30h runtime, and 3:30h fast charging Light mode memory saves the last mode you're in Low battery indicator Designed, engineered and assembled in the USA