>It has high pressure (9.5KPA full pressure) large air volume (580 liters / minute) >low noise (45db (A) 1KPa distance 1M far) >The motor movement is dust-proof and anti-ming water >The fan has high efficiency, high speed, and high stability >This brushless fan has stable start-up, mini size, low noise, low temperature rise of the motor, long service life, high efficiency, energy saving and environmentally friendly materials.