Features: DC frequency conversion motor offers gentle and natural wind, 100 gears wind speed for adjustment. 150super large angle wind supply, up to 541m³/h wind volume Considerate 6.9mm slim fine air outlet, support child lock function Support Mijia APP remote control and IoT smart linkage with smart mijia devices Smooth and quiet motor, 34.6dB low noise Top button setting is easy to operate ABS durable shell, long-term use period. 8H timing switch set on the APP