1. Design With Li-battery(rechargeable battery) 2. Output Voltage:3.6V;Out current:10MA; 3. LED intensity:8000-10000MCD, LED can service over 100,000 hours 4. Cranking (rotating the handle) generating electricity,cranking 1 minute 1 LED can light 1 hour 5. With beautiful car Model and be easy to carry about 6. Waterproof and shatterproof 7. Safe design,Environmental protection\energy-conserving