Experience superior USB rechargeable performance with the Dart 210. Fire up 210 lumens over the dark city commute at night, while DayLightning mode's lightning-like flashes make you stand out in broad daylight. Its flexible mount keeps sturdy for your everyday rides and dismounts in a snap. Get the most out of your ride with the Dart's uncompromising safety and illumination. Packed with features for safe cycling, this micro sized Hotshot combines a powerful 30 lumens of flashing red with 5 road-proven modes and an Enhanced Cycling Optic that scatters light at a wider angle for maximum distance and extra wide visibility during night and day use. Its Versatite flexible mount lets you attach the Hotshot Micro 30 tail light to most seat posts and seat stays, including aero styles. 210 lumen output headlight illuminates ahead and powerful 30 lumen tail light alerts behind Exclusive 24/7 Safety Technology provides added safety through visually enhancing day night modes Tail light Enhanced Cycling Optics provide extra wide and long range coverage 7 lighting modes headlight and 5 lighting modes tail light Run time Up to 24h headlight and 100 hr run time tail light