210 lumen output Run time TBA Micro USB rechargeable Exclusive 24/7 Safety Technology provides added safety through visually enhancing day and night modes 7 lighting modes High Medium Low SteadyPulse Zoom DayLightning- Boost SteadyPulse mode alerts motorists with attention-grabbing pulses while constantly lighting your way at night 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 Side light ports highlight your presence Low battery indicator for power awareness Light mode memory recalls last mode used Water resistant design for all riding conditions Versatite flexible mount conveniently attaches to handlebars including aerobars Lightweight 53 g 210 lumen output Micro USB rechargeable Exclusive 24/7 Safety Technology provides added safety through visually enhancing day and night mod 7 lighting modes High Medium Low SteadyPulse Zoom DayLightning- Boost SteadyPulse VersatiteTM flexible mount conveniently attaches to handlebars including aerobars