650 lumen headlight with 8 lighting modes engineered for use on mountains, 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 Rugged, water resistant design only weighs 140 grams USB rechargeable internal battery lasts up to 100 hours Built-in 24/7 Safety Technology gives you a powerful selection of night and day modes - High, medium, low, SteadyPulse, DayLighting, Triple Flash, Zoom, 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 lightning-like flashes to highlight your presence in the brightest of daytime hours Headlight side light ports further highlight your presence 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 Power lockout prevents accidental light activation Locktite quick release handlebar mount keeps the light securely fastened to the handlebar Designed, engineered and assembled in the USA since the founding in 1991 Black 8 Front Handlebar USB 650UPC/EAN/GTIN: 745025075052