Led Lenser HF8R Core Rechargeable Head TorchLed Lenser HF8R Core Rechargeable Head Torch The Led Lenser HF8R CORE rechargeable head torch is a powerhouse of performance and class leading technology. Three brightness levels plus a 1600 lumen Boost are complimented with a red front light to protect night vision. The standout feature is the patent pending Adaptive Light Beam Technology which, once activated, allows automatic dimming and focusing; making it a hands free head torch which requires no