The Ledlenser HF4R Core Rechargeable Head Torch is a high-quality head torch designed for outdoor activities such as camping, hiking, and other sporting goods. With a powerful 500lm LED beam that can be focused up to 130 meters, this waterproof head torch provides a reliable and long-lasting light source. The aluminium and polycarbonate construction make it durable and lightweight, weighing just 72g. Featuring rechargeable Li-Ion batteries with an operating time ranging from 2.5-35 hours, this head torch is a convenient and practical choice for any outdoor adventure.