Made of aluminum alloy and rubber, Weighs less than 10oz, much light and handy than normal headlamps. Package Includes: 1 Headlamp + 1 USB Charging Cable + 2 x 18650 Batteries. Adjusted around 90 degrees for ease of access. On the outside, there's a waterproof switch that's safe to use even when it's raining. On the inside, there's high-quality, leakage-resistant, waterproof wiring, there to make sure your light stays on even when that rain is soaking through. Provides enough illumination for camping, hiking performed in darkness. Made of alluminum alloy to ensure the durability. Comfortable head harness with adjustable straps to fit your head without slipping. Securely mounts on your head freeing your hands to do what you need.