150 lumen headlight with 8 modes, 50 lumen tail light with 8 modes, engineered for use on roads and commuting Both feature Enhanced Cycling Optics� that expands your visibility with an extra wide and long range beam compared to conventional lighting optics USB rechargeable internal headlight battery lasts up to 24 hours, and tail light lasts 65 hours Low profile, water resistant design only weighs 30 grams per light Built-in 24/7 Safety Technology� gives you a powerful selection of night and day modes, headlight features 8 modes, tail light features 8 modes Both feature SteadyPulse� mode to alert motorists with attention grabbing pulses while its overlapping steady beam constantly lights the way at night Both feature daytime flashes to make you stand out in broad daylight with lightning-like flashes Both feature Adaptive Flash Technology� , sensing day and night, automatically switching to the optimal flash mode Low battery indicator alerts you when a charge is needed Light mode memory saves the mode you`re in before the light is turned off Flexible mount conveniently attaches to standard and aero style handlebars and seat posts Designed, engineered, and assembled in the USA since our founding in 1991 Black 8F/8R Combo USB 150/50UPC/EAN/GTIN: 745025075120