Two ways to chargeThe hand crank flashlight can be charged by both solar power and hand crank. Built-in solar cell, the solar flashlight absorbs sunlight and is powered, or you can just crank it when you are in the dark. Whatever the situation, you always have a light available. Emergency FlashlightThis hand-crank flashlight is perfect for emergencies, power outages, or whenever you need to. need light. A great backup for you when you run out of lights. Just run this solar powered flashlight for 1 minute to generate enough power for 10 minutes of light. Compact and PortableConvenient clip makes it easy to attach to your bag backpack, bag, belt or key ring, making it less easy to lose. Perfect for emergency supplies, survival gear or outdoors and camping. Waterproof & ComfortableThis hand crank solar powered flashlight is made of ABS plastic, which is weather resistant. water and durable. The ergonomic and sturdy design allows the crank light to be held comfortably and securely. Outdoor Must Have3 bright white LEDs provide powerful illumination. Whether you're adventuring in survival or rock climbing, this battery-free hand-cranked flashlight is a must-have for outdoor enthusiasts.