The Fenix HL40R headlamp offers unbeatable features. Adjust the light&';s six outputs from floodlight to spotlight with a simple rotation of the head. The battery level indicator reminds you when to recharge the built-in battery via the micro-USB port. A 600 lumen burst and ultra low 4 lumen mode, with up to 200 hrs of runtime, make sure you have the perfect amount of light for your activity. The overlapping headband provides added security, while the IP66 rating ensures protection against rain, splashes, and dust for worry-free use in any environment.