450 lumen bicycle headlight with 8 lighting modes engineered for use on the roads and commuting Built-in Enhanced Cycling Optics expands your field of vision with an extra wide and long range beam compared to typical lighting optics Low profile, water resistant design only weighs 70 grams USB rechargeable internal battery lasts up to 65 hours Built-in 24/7 Safety Technology gives you a powerful selection of 8 night and day modes - Boost, high, medium, low, SteadyPulse, DayLightning, Triple Flash, and Walking mode SteadyPulse mode alerts motorists with attention grabbing pulses while its overlapping steady beam constantly lights your way at night DayLightning mode emits powerful 550 lumen lighting-like flashes to highlight your presence in the brightest of daytime hours Low battery indicator alerts you when a charge is needed Headlight side light ports further highlight your presence Light mode memory saves the mode you`re in before the light is turned off Power lockout prevents accidental light activation Versatite flexible mount conveniently attaches to handlebars including aerobars Black 8 Front Handlebar UsB 450UPC/EAN/GTIN: 745025075069