The Ledlenser HF8R CORE rechargeable headlamp is a remarkable fusion of high-performance and state-of-the-art technology. It offers three distinct brightness levels, plus an impressive 1600 lumen Boost mode. Additionally, it features a red front light to safeguard night vision. One of its standout features is the patent-pending Adaptive Light Beam Technology, which, when activated, allows automatic dimming and focusing. This feature transforms it into a hands-free headlamp, eliminating the need for manual adjustments. The headlamp also incorporates a patent-pending technology called the Digital Advanced Focus System, ensuring a seamless transition from a focused spotlight to a broader floodlight.Red Front LightBluetooth EnabledDimmableTemperature Control SystemAdaptive Light BeamEmergency LightTransportation LockMemory FunctionBack-up ModeWeight: 194 gBattery 1 x Li-ion Rechargeable Battery 3.7v 2000mAhWater ResistanceRechargeable Working Temperature -20° to +40° CelsiusCharging Time 270 minutes