Serfas USL-S USB Silicone HeadlightThe Serfas USL-S Silicone headlight outputs an impressive 25 lumens in a small and lightweight package. The USL-S recharges through your USB connection on your computer and also features a charge indicator to let you know when it's ready to roll. This little puppy here will provide up to 8 hours of run time and features 3 modes: Low-beam, Hi-beam and Flash. Don't even think about riding the streets at night without one.
This thing is great -rechargeable, so the price is offset by the batteries you won't have to buy -great, annoying blink setting to keep you safe -high quality, far-reaching light -easy to put on, take off