The NEBO EINSTEINA(R) Series is inspired by, obviously, Albert Einstein, who had a brilliant mind and a knack for innovation. He was fascinated by light and its many uses, and the EINSTEINA(R) Series lights are inspired by his passion. EINSTEINA(R) 400 by NEBO is not just a headlamp. It's a symbol of innovation, excellence, and practicality. Designed with the needs of outdoor enthusiasts and workers in mind, the EINSTEINA(R) 400 is a low-profile, compact 400 lumen rechargeable headlamp with 5 light modes. Whether you're camping, hiking, or working in low-light conditions, the EINSTEINA(R) 400 has got you covered. With its powerful beam, you'll be able to see clearly no matter what the situation. The included rechargeable battery allows for up to 8 hours of operation in between charges, which means you can take on longer hikes, tackle tougher jobs, or explore the darkest corners of the wilderness without worrying about running out of power. At NEBO, we believe that everyone deserves high-quality, reliable outdoor gear. That's why we created the EINSTEINA(R) 400 - to provide outdoor enthusiasts, adventurers, and workers with a headlamp that meets all their needs. With its low-profile design, adjustable headband, and versatile light modes, the EINSTEINA(R) 400 is the ultimate tool for any task. So whether you're exploring the great outdoors or working on a construction site, the EINSTEINA(R) 400 has got you covered. Illuminate your path with EINSTEINA(R) 400 - the ultimate headlamp for any adventure.