Product Specification: Name: Hand-Up Crank Solar Lantern Material: ABS LEDs: 6 LEDs Solar Panel: Amorphous Silicon Power source: hand-cranked and solar power Package size: about 17.7x8x6cm or 6.97x3.2x2.36in Product weight: about 220g Working temperature: -20 to 60 Working humidity: 30 percent - 90 percent Charging: built-in 3.6V or 80mAh rechargeable Ni-MH battery hand cranking for one minute, continuous lighting for more than ten minutes hand cranking can be fully charged in about 3 hours, and continuous discharge time is about 2 hours solar charging 12-15 Can be fully charged in over an hour. Uses: hunting, hiking, camping, sailing, geological landscapes, power outages, cars, etc. Product Listing: 1 x Hand-Up Crank DynamoSolar Lantern Notes: 1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size.