Packing two premium LEDs for class-leading light output this light uses a super high capacity lithium-ion battery so all those lumens come with long runtimes. A clever user interface meanwhile gives you four extra modes for secondary uses but it also lets you focus on the three steady modes that matter. Still putting a flashlight on your handlebar? See what youve been missing with the new Flux™ 1200 headlight. Sculpted double-beam pattern puts light where you need it & maximizes every lumen. Latest CREE XP-L High Intensity LEDs combines XM-L level of output in a non-domed 3.5mm package for maximum lumens with better beam pattern control. Quick-release bar mount works on 22.2 25.4 & 31.8mm bars. Mounting system centers light in front above or below the stem with a long reach to work around most computer mounts & shifter/brake cables. Extra bright side lights to give you 180-degree visibility to other cyclists & motorists. USB (Universal Serial Bus) rechargeable 3400m Ah Li-ion internal battery. 1200-/600-/300-lumen output in three main steady modes. 1:15-/2:30-/5:00-hour runtimes in three main steady modes. Press-&-hold to turn off. Long press-&-hold to enter secondary modes: daytime flash steady wide + narrow flash camping flashlight & emergency low. Extra-long press-&-hold to lockout light for travelling. Depending on mode up to an additional three hours of super-low output are available when listed runtimes expire. Trust us someday youll need this. 90% fast charge in 1.5 hours with full charge in 3 hours. Compatible helmet mount sold separately (49119-9220).