Functions as 110 lumen white headlight or 30 lumen red tail light8 headlight and 8 tail light lighting modes engineered for use on roads and commutingBuilt-in Enhanced Cycling Optics⢠expands your field of vision with an extra wide and long range beam compared to typical lighting opticsOne cubic inch, water resistant design only weighs 30 gramsUSB rechargeable internal battery lasts up to 90 hoursBuilt-in 24/7 Safety Technology® gives you a powerful selection of 8 night and day modesSteadyPulse® mode alerts motorists with attention grabbing pulses while its overlapping steady beam constantly lights your way at nightDayLightning® mode emits lightning-like flashes to highlight your presence in the brightest of daytime hoursAdaptive Flash Technology senses day and night, automatically switching to the optimal flash mode2 in 1 technology allows you to switch from headlight to tail light just by holding the power button for 3 secondsLow battery indicator alerts you when a charge is neededLight mode memory saves the mode you`re in before the light is turned offFlexible mount easily adjusts to fit on handlebars and seat posts including aero stylesDesigned, engineered, and assembled in the USA since our founding in 1991Black8Front or RearUSB110UPC/EAN/GTIN: 745025075083