The Ledlenser H19R Core head torch with up to 3500 lumens features Fusion Beam technology, which combines the power of two lenses, enabling one to control the flood and the other the spot light for perfect illumination. It also includes an additional red light LED for preserving night vision. It provides extreme illumination, a state-of-the-art multi-core optic, four brightness levels, the ability to focus the light beam up to an impressive 300 meters and a host of other features. The rechargeable integrated lithium-ion battery can be charged quickly via magnetic USB. Designed for a wide range of home, life or work applications.