"Cooling Fan Manufacturer" hardly make any noise, it uses a new generation of DC inverter technology, low power when running only 1.88W, with fully enclosed gear box and the air gap uniformity excellent motor movement, energy saving and environmental protection at the same time, for the children to create a cool and quiet sleep environment. "Cooling Fan Manufacturer" test in the indoor environment noise is about 35db, so high in the low-bit test. When you absolutely will not be awakened sleeping "Cooling Fan Manufacturer" of bruit. The test of power in a low-speed power 1.88W. In accordance with the normal use of the time to calculate the average use of 66 kilowatt genius.