Features: 1. Environmental protection: Hand-cranked power generation and solar charging capability eliminate the need for external batteries; includes a built-in rechargeable battery for energy storage; eco-friendly design 2. Three lighting modes: Press once for 12 beads to light up, press again for 24 beads, and press a third time for 36 beads illuminated 3. Built-in mini dynamo for emergency use: Not only provides light but also functions as a survival tool by allowing connection to communication devices for hand-crank charging 4. Multi-purpose use: Durable, lightweight high-quality shell makes it ideal for mountaineering, camping, hiking, geological exploration, archaeology, and other outdoor activities. Suitable for reading, repairs, and use during power outages 5. For any inquiries, please contact the seller Note: 1. Actual color may vary slightly due to differences in monitor displays and lighting conditions 2. Allow 1–3 cm variation due to manual measurement Material: Shell: Painted ABS Transparent cover: GPPS Switch: Push button Gears: 3 Charging time: Solar panel: 8 hours Hand crank: 4 hours Discharge time: 8 hours One minute of hand cranking provides up to 10 minutes of operation Built-in 1200mAh battery Color: Black Size: 105 x 105 x 245 mm Includes: 1 x Solar Camping Hand Crank Lantern