* 200 lumen single LED red tail light for use on roads and commuting* Built-in Enhanced Cycling Optics expands your visual presence with an extra wide and long range beam compared to typical lighting optics* 2-button design to adjust speed of each flash mode and brightness of Steady mode* Built-in 24/7 Safety Technology with 6 day and night modes (Steady, Zoom, SteadyPulse, 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 highlight your presence in the brightest of daytime* Zoom: signals those around you with a gentle changes in brightness* Hard seat post mount and seat stay mount* Light mode memory saves the last mode you're in* Compact, durable and 59g* IP64 water resistant for use in all weather conditions* USB rechargeable with 2 to 210h runtime* Low battery indicator* Designed, engineered and assembled in the USA