- 150 claimed lumens
- 3h 00min reported battery life
- Narrow spot
- 150 g
- flashing mode
- no pulse mode
- 4 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.