* 1100 lumen light with 9 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 150 grams* USB rechargeable, internal battery lasts up to 100 hours* Built-in 24/7 Safety Technology® gives you a powerful selection of 9 night and day modes (Boost, High, Medium, Low, SteadyPulse®, TripleFlash, DayLightning®, 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* Lockout function prevents accidental light activation* 150g