<!--ProdInc[170065129]/Mall:[rei_US]--> 600-lumen light with 8 steady, flashing and pulsing modes Quad Daytime Running Lights make you stand out in broad daylight, and at night a powerful LED fires up the darkest roads with 600 lumens of extra-wide, long-range output Stand out in broad daylight with exclusive quad LED Daytime Running Lights (DRL) Built-in 24/7 Safety Technology has 3 Day modes (Quad DRL Steady, Quad DRL Flashing, DayLightning) and 5 Night modes (Boost, High, Medium, Low, SteadyPulse) DayLightning mode emits lightninglike flashes to highlight your presence in the brightest of daytime hours SteadyPulse mode alerts motorists with attention grabbing pulses while its overlapping steady beam constantly lights your way at night Enhanced Cycling Optics expands your visibility with an extra-wide, long-range beam compared to conventional lighting optics Side light ports further highlight your presence USB-rechargeable internal battery lasts up to 70 hours Low-battery indicator alerts you when a charge is needed Light mode memory saves the last mode you''re in before the light is turned off Low-profile, water-resistant design weighs only 95g Versatite flexible mount conveniently attaches to handlebar, including aerobarsMade in USA.