Blackburn System X3 LED Headlight

"At 85 lumens and over four hours of run time at full power or up to 14 hours dimmed, this light provides ample light for any after-dark adventure. Luxeon III emitter with 30/70/100% run modes plus a flash mode. The lightweight, 5-cell NiMH battery is designed to strap to various tube shapes, fit in a bottle cage, or slip into a hydration pack. Includes SuperCharger 3.5 hour smart charger along with helmet and handlebar (standard/oversized) mounts."