![Serfas TSL-100](https://static.bikelightdatabase.com/media/lights/cover/serfas100.jpg.960x720_q90.jpg)
- 100 claimed lumens
- 2h 00min reported battery life
- Narrow spot
- 50 g
- flashing mode
- no pulse mode
- 3 brightness levels
- Included mounts: Strap
- Optional mounts: Helmet
The TSL series includes Serfas' single-piece USB-rechargeable lights, designed for commuting, road biking, and off-road rides.