Kale Fans: Features of AirFree Series Super large air volume Ultra-long air supply distance, wind speed effective distance exceeds 24m, can cover more than half of basketball court length Directional air supply Suspended ceiling and wall hanging installation, which can be supplied according to the needs of the site environment. Energy saving The total fan power is 0.4kW, the energy consumption is very low, and it costs only a few dollars to run the whole day. Quiet and low noise The noise is very low, the noise level is 43dB, and the conversation sound near the fan will not be affected when the fan is running. Stepless speed regulation PMSM permanent magnet synchronous motor drives fan blades, stepless frequency conversion speed regulation, fan can be freely controlled, easy to operate. Waterproof and dustproof Protection class IP55, overall waterproof, can run normally in wet weather in rainy days; easy to clean.