150 lumen bicycle headlight with 8 lighting modes engineered for use on 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 One cubic inch, water resistant design only weighs 30 grams USB rechargeable internal battery lasts up to 24 hours Built-in 24/7 Safety Technology� gives you a powerful selection of 8 night and day modes (Boost, High, Medium, Low, SteadyPulse� Low, SteadyPulse� High, DayLightning� Triple Flash, DayLightning� Single Flash) SteadyPulse� mode alerts motorists with attention grabbing pulses while its overlapping steady beam constantly lights your way at night DayLightning� mode emits powerful 200 lumen lightning-like flashes to highlight your presence in the brightest of daytime hours Adaptive Flash Technology senses day and night, automatically switching between DayLightning� and SteadyPulse� modes 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 easily attaches to handlebars including aero styles Designed, engineered, and assembled in the USA since our founding in 1991 Black 8 Front Handlebar USB 150UPC/EAN/GTIN: 745025075090