Crank Powered: Still looking for batteries for your flashlight in the dark? Our emergency flashlight will never let you run out of power. Rechargeable by hand crank, a 1-minute rotation (2 revolutions per second) equals more than 8 minutes of illumination. Easily recharges even in bad weather. Never depends on external power and never runs out of battery. Solar Powered: Equipped with a solar panel, the flashlight recharges itself in the sun. A 30-minute charge in direct sunlight (12,000 lux or more) provides 10 minutes of illumination. A 40-hour charge in direct sunlight will fully recharge the battery. Place it near a window facing the sun, it will always be ready in an emergency! Compact and Convenient Carabiner: This emergency flashlight is small enough to fit in a little girl's hand. Dimensions: 124 x 48 x 32 mm. Weight: 86 g. Ideal for travel, it takes up little space in your bag. In addition, its thoughtful carabiner allows you to securely attach it to your backpack, belt, or keychain, improving your mobility while allowing the flashlight to recharge in the sun during your outdoor activities. Energy-saving and optimal brightness: Thanks to its built-in 40 mAh Ni-MH battery and 3 LED bulbs, this flashlight can work for two hours straight on a full charge. Its brightness (10,000 mcd/130 lux) is enough to light up a dark house during a power outage or easily follow a trail while hiking. Powered only by hand crank and solar energy (USB charging not supported), no external power supply is required, which is energy-saving and environmentally friendly. Long Lifespan & Wide Application: With a front PVC coating, it is shock-resistant and partially protects the LED lens if dropped. Ideal for power outages, daily use, hiking, camping, mountaineering, and outdoor activities. It is worth adding to your EDC kit, emergency kit, camping gear, or bug out bag.