With 250 lumens, Serfas' TSL-S250 Headlight commands attention. Five different modes are powered by a long-lasting, rechargeable Lithium-ion battery that is built into the light body. With the included USB cable, you can conveniently recharge your light right at your computer. Plus, the battery is user-replaceable. It also includes a quick-release handlebar mount.
Modes: overdrive, high, medium, low, flash
Weight: 150 grams (with bracket)
Charge Time: 4 hours