* 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®, DayLightning®,Triple Flash, Zoom, 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* 140g