Performance characteristics: 
Natural wind driving and 24-hour round-the-clock operation 
With high sensitivity, only if there is breeze or there is indoor and outdoor temperature difference, then the turbine blade can be driven for rotary movement. 
Running is stable and quiet to improve indoor environment. 
Adopts the whole advanced bearing without lubrication, it is sturdy and durable with very low failure rate. 
Corrosion resistance, acid and alkali resistance, long service life.