Not every motorist out there is totally bright...that's why you need to be. See and be seen with the Cygolite Tridenx 1300 Xtra OSP cycling light. Its 1300 lumens of Cree LED power and 8 modes give you the power you need to announce yourself out on the road. This light is water resistant so don't sweat the weather, and with up to 40 hours of use on a single charge, you could make a full time job of night riding and still only charge once a week or so.
1100 lumen light output -Integrating 3 Cree XM-L LEDs & Crossfire beam technology for wider spread plus long lasting Li-Ion Xtra battery
OSP Technology: customize the light's brightness & flash speeds exactly how you want it, directly to the light without external hardware or software
8 modes: Boost > High > Med > Low > Steady Pulse > Day Flash > Slow Flash > Walking; Lasts up to 40 hours on one charge of high capacity Xtra battery
Durable, water resistant aluminum alloy casing with power/programming button & light mode/battery level indicators on top of light for easy access
Includes headlight, high capacity Li-Ion battery, 3' extension cable, smart charger, Lock-tite handlebar mount, and helmet mount