Rechargrable:1200mah large capacity rechargeable battery (Type-C cable included), absolutely safe and environmental friendly. Lightweight:Only about 10 oz, so you can carry around easily.It's small ,which easily fits in your backpack or emergency kit.And you can hang it up with a hook if you need. 2 in 1 LED lantern:Lantern and flashlight .Adopt a new design,it can be hung up as a tent lamp and folded up as a flashlight. You can also use it as a mobile battery.The dynamo Crank provides the option of using windup power for weather related emergencies such as tornadoes,hurricanes and extreme snow storms. Dueable:IP44 water resistant, no worry about the worst weather. In addition, ABS resin and polycarbonate material are adopted to improve shock resistance, heat resistance and abrasion resistance.