Product Specification: Name: Hand-Up Crank Solar Lantern Material: ABS LEDs: 6 LEDs Solar Panel: Amorphous Silicon Power source: Hand-cranked + solar power Package size: Approximately 17.7 x 8 x 6 cm (6.97 x 3.2 x 2.36 in) Product weight: Approximately 220g Working temperature: -20°C to 60°C Working humidity: 30% - 90% Charging: Built-in 3.6V 80mAh rechargeable Ni-MH battery; one minute of hand cranking provides over ten minutes of continuous lighting; approximately 3 hours of hand cranking for full charge with about 2 hours of continuous discharge; solar charging requires 12–15 hours for full charge. Uses: Suitable for hunting, hiking, camping, sailing, geological exploration, power outages, automotive emergencies, and other outdoor or emergency situations. Package Includes: 1 x Hand-Up Crank Dynamo Solar Lantern Notes: 1. Due to differences in lighting and screen settings, actual product color may vary slightly from images. 2. Dimensions are measured manually and may vary slightly due to measurement tolerance.