Durable --- High-quality solar cells and LED light beads ensure the flashlight's durability, and its ergonomic design makes it very comfortable and convenient to use. Rechargeable --- Built-in rechargeable solar panel absorbs all kinds of light, such as strong/moderate sunlight, lights, etc. It can store power for a long time without external batteries. Efficient --- Using a one-minute hand crank (based on a speed of two revolutions per second) can easily generate more than 8 minutes of lighting power, which can meet various emergencies. Portable --- The flashlight is lightweight, compact, and easy to carry. The carabiner design allows the flashlight to be hung on your backpack. It can be used not only as emergency equipment, but also as outdoor camping and mountaineering equipment. Ideal for Emergencies---Our 8lm flashlight provides one hour of light once turned on for 6 minutes. It can be powered by solar energy or handheld with the built-in rechargeable battery, which can work