ElementDigital TM Hand Crank Dynamo Lantern Solar Powered Emergency Light LED Camping Lamp 3 Modes 36 LED Portable Searchlight with Car Charger Portable and compact design. Useful double charging methods:Solar and crank dynamo Solar Charge Time:4-8hrs The panel charges via the daylight or simply from other source of light. Perfect for hunting, hiking, camping, sailing, geological prospecting and etc.