250 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 60 grams USB rechargeable internal battery lasts up to 21 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 powerful 350 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 60g 
