A perfect choice for those requiring additional illuminating during cycling & running sessions in the dark, the Princeton Tec Remix Rechargeable head torch offers a lithium-ion battery pack featured in the back to provide additional power to last the longest workouts, as well as deliver smart balance point to improve comfort & fit during dynamic motion. This lightweight at 5.47oz (155g) head torch & is capable of mustering up the brightness of 200 lumens, & with three separate illumination modes you can adjust the light beam to your fondness when taking into consideration changing weather, new environments & of course different time of the day. The head torch is an overall versatile piece of equipment which can be helpful when camping, fishing or rock climbing, plus it features a weather sealed micro-USB port allowing you to charge it accessibly almost anywhere.