Serfas TSL-T1000 USB Headlight
The TSL-T1000's compact, lightweight CNC'd aluminum head stands out from the other lights in the category. What truly sets this 1000 lumen headlight apart from the competition? Integrated into the small battery pack is our award winning Thunderbolt taillight (35 lumens), where you can strap it up to your seatpost for practicality or facing down on your toptube to be unique. Other features include a USB outlet integrated into the battery pack for on-the-go accessories charging (you can charge your phone, iPod or other electronic gadgets).