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 illuminated, press twice for 24 beads illuminated, press three times for 36 beads illuminated 3. Built-in mini dynamo for emergency use: Not only provides light but also functions as a survival tool; can be used to charge small electronic devices via hand crank 4. Multi-purpose design: Durable, lightweight construction with high-quality shell makes it ideal for outdoor activities such as camping, hiking, mountaineering, geological exploration, and archaeology; also suitable for reading, repairs, and use during power outages 5. For any inquiries, please contact the seller through Amazon messages Note: - Actual color may vary slightly due to differences in monitor displays and lighting conditions - Allow 1-3 cm variation due to manual measurement Material: - Shell: Painted ABS - Transparent cover: GPPS - Switch: Push button - Gears: 3-speed setting Charging Time: - Solar panel: 8 hours - Hand crank: 4 hours for full charge Discharge Time: - Up to 8 hours - 1 minute of hand cranking provides up to 10 minutes of operation Built-in battery: 1200mAh Color: Black Size: 105 x 105 x 245 mm Includes: 1 x Solar Camping Hand Crank Lantern