Advantages: Description: 1. Wind for 1 minute and use for Torch up to 30Min. 2. Wind for 2-3 Min.and use up to 8 minutes. Mobile Phone power after charge. 3. 10-12 Min.Radio Power Duration after winding for 1 Min. 4. Revolutionary self-powered technology never needs battery replacement 5. Recharge over and over simply by winding the handle 6. Super-bright LED lights never need replacing 7. Ergonomic rubber grip handle 8. Great for power outages, emergencies camping and more