* 450 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* 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, Walking mode)* SteadyPulse® mode alerts motorists with attention grabbing pulses while its overlapping steady beam constantly lights your way at night* DayLightning® mode emits emits powerful 550 lumen lightning-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* 70g