Experience superior USB rechargeable performance with the Dart Pro 350. Fire up 350 lumens over the dark city streets 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 Pro's uncompromising safety and illumination. Exclusive 24/7 Safety Technology provides added safety through visually enhancing day and night mode 7 lighting modes High Medium Low SteadyPulse Zoom DayLightning Boost SteadyPulse mode alerts motorists with attention-grabbing pulses while constantly lighting your way DayLightning mode's lightning-like flashes makes your presence known in broad daylight Pedestrian friendly Zoom mode signals those around you with a gentle change in brightness