Cygolite Dash Pro 600 USB

600 lumen light with 8 modes including steady, flashing, and pulsing; Built-in 24/7 Safety Technology gives you a powerful selection of night and day modes (Boost, High, Medium, Low, SteadyPulse, Quad DRL Steady, Quad DRL Flashing, DayLightning); 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; Stand out in broad daylight with exclusive quad LED Daytime Running Lights (DRL); Enhanced Cycling Optics expands your visibility with an extra wide and long range beam compared to conventional lighting optics; Side light ports further highlight your presence; USB rechargeable internal battery lasts up to 80 hours; 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; Low profile, water resistant design only weighs 95 grams