Power: 10W Maximum range: 100-200 meters Light source form: LED Material: aluminum alloy Power supply form: Battery SUPER BRIGHT LED HEADLAMPS : LED headlamp. Quality build, robust,durable and lightweight. allowing you to clearly see the surrounding environment to make sure you stay away from danger. The best head torch with snug fit. Can also be worn as a hard hat headlamp or bike helmet light. HANDS FREE AND COMFORTABLE: No need to carry a flashlight around with this high power headlamp. Securely mounts on your head freeing your hands to do what you need. Comfortable head harness with adjustable straps to fit your head without slipping. WIDE APPLICATIONS: LED headlamps ideal for running at night, cycling, camping, climbing, fishing, hiking and walking the dog. Not only the perfect addition to indoor working but also a good hands-free light for outdoor sports and activities.