The LED Lenser HF8R Core is an adaptive powerhouse to be reckoned with. The highlight: Adaptive Light Beam Technology allows automatic dimming and focusing. Thus, the HF8R is their first headlamp which can be used hands-free and requires no manual control at all. Features: Powerful headlamp with three brightness levels, a red front light and innovative Digital Advanced Focus System Dims and focuses automatically thanks to our Adaptive Light Beam technology; hands-free use Red light has the ability to preserve the natural night vision to the human eye Remote control via LedLenser Connect App (paid upgrade with additional features available) Steplessly tilting lamp head provides flexibility and headband makes for high comfort and a perfect fit Bright and perfectly balanced light pattern: two light sources for short and long-range illumination Extremely powerful battery; easily rechargeable via Magnetic Charge System, with battery status indicator Memory function: sets the light so it starts in the last light mode and brightness used when it is switched on Transportation lock: the optionally activatable lock function avoids accidental switching on of the light in the backpack or suitcase Lightweight and high-quality aluminum housing Resistant to continuous immersion in water and dust: IP68 Beam distance: 210 m Runtime: 90 hours Max. Luminous flux: 1600 lm Rechargeable: Yes Materials: Aluminum alloy Charging time: 270 minutes Drop test height: 2 m Working temperature: -20 - 40 C°