The sleek Cygolite Dash series is engineered for road cyclists, its highly efficient lens enables an extra wide, long range beam to maximize your line of sight. Beyond its exceptional night capabilities, the built-in array of quad Daytime Running Lights (DRL) makes you stand out in broad daylight. The Dash series uses a low profile flexible mount designed for most handlebars including aerobars. Features: Enhanced Cycling Optics that cast an extra wide and long range beam and side light ports for 180 degree visibility Versatite flexible mount easily mounts to any shape handlebar Water-resistant design for all riding conditions Built-in battery low and charging indicators Run Times: 1.25 Hours (Boost) 1.75 Hours (High) 3 Hours (Medium) 3 Hours (SteadyPulse) 10 Hours (DayLightning) 10.5 Hours (Low) 10.5 Hours (Quad LED Steady) 80 Hours (Quad LED Flash) Specifications: Brightness: 600 Lumens Battery Type: Rechargeable (USB) Run Time: 1.25 - 80 Hours Beam Color: White Color: Black Weight: 95g