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 simply crank it when you are in the dark. No matter the situation, you always have a light available. Emergency Flashlight This hand-cranked flashlight is perfect for emergencies, power outages, or whenever you need need light. A great backup for you when you run out of lights. Simply run this solar powered flashlight for 1 minute to generate enough power for 8 minutes of light. Compact and portableThe convenient 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 equipment or outdoors and camping. Waterproof and ComfortableThis hand crank solar flashlight is made of ABS plastic, durable and durable. water and durable. The ergonomic and sturdy design allows you to hold the crank lamp comfortably and securely. Outdoor Must Have 3 bright white LEDs provide powerful lighting. Whether you're doing survival adventure or rock climbing, this battery-free crank flashlight is a must-have for outdoor fans.