" 1. Emergency Crank Flashlight: Built-in rechargeable battery, easily generates power for more than 10 minutes of lighting by one-minute cranks (based on two-turn speed per second). 2. Solar Panel: As a backup power method, it absorbs all kinds of light, such as strong and medium sunlight, lamp light and more. 3. Ergonomic and robust design: fits comfortably and securely in the hand. Perfect for daytime, emergency and outdoor lighting. 4. Built-in durable carabiner securely attaches to your backpack, ideal for outdoor activities. Outdoor portable size: 124 x 45 x 32mm / 86g The solar powered hand crank flashlight is a necessity for your outdoor or indoor life. Emergency Crank Flashlight Built-in rechargeable battery, conveniently generates power for more than 10 minutes of lighting by casting for 1 minute (based on a speed of two rounds per second). solar panel As a backup Power supply method absorbs all kinds of light, such as strong and medium sunlight, lamp light and more. Ergonomic and robust design Lies comfortably and securely in the hand. Perfect for daily, emergency and outdoor lighting. Portable size for outdoor use: 124 x 45 x 32mm / 86g. Built-in durable carabiner attaches securely to your backpack, ideal for outdoor activities. "