Weighing in at only 1.5 oz, The Hybridlight Solar Headlamp is lightweight and comfortable, making it a great choice for hiking and biking. The Hybridlight Headlamp is water resistant, rotates 120 degrees vertically, and the LED shines bright at 75 lumens. You’ll get 30 hours of light on one full charge. It has a Micro USB port for rapid charging or simply use the portable solar panel for off-the-grid charging.