1.Wind for 1 minte and use for flashlight up to 30 min.
2.Wind for 2-3 min. and use for mobil phone charging up to 8min.
3.Revolutionary self-powered technology never needs battery replacement.
4.Recharge over and over simply by winding the handle.
5.Super-bright LED lights never replacing.
6.Ergonomic rubber grip handle.
7.Great for power outages, emergenices camping and more....