Description 1. Simple structure, running stably, power supply for city lamp, monitoring and home. 2. Small size and flexibility, beautiful curve, low noise and environmental harmony. 3. Anti-Rust, Anti-Corruption Damp-Proof, Water-Proof, Stand-Proof. 4. Brand New in box 5. CE Certificate 6. ISO9001:2000 Quality Certification 7. Large power, low volume, high efficiency 8. Nylon fiber or FRP blades, high efficiency of anti-wind ability,moves mutely and steadily 9. Blades with the ability of automatically stall protection under strong wind