1. Environment-friendly, translating kinetic energy to electricity energy, not only
save energy sources, but also never need batteries;
2. One super bright LED;
3. Waterproof, the flashlight even can float in water;
4. 1 minute of shaking provides up to about 10 minutes of continuous bright light;
5. Widely used in household, travelling, camp and emergency;
6. Transparent white/blue/yellow is available;
7. LED brightness: 11000mcd.