1. Sleep: the machine operates in silent mode
2. Turbo: the machine operates at the highest speed
3. Filter reset: remind to reset the lter replacement
4. Child lock: lock the control panel to prevent accidental touch
5. Power : turn on/off
6. Timer: Timing shutdown function
7. Light: control the light on/off of the machine
8. Auto: the machine runs automatically according to the air quality
9. Speed: manual adjustment of wind speed

1. To give full play to the original performance of the product ,please keep a proper distance from the walls and ceiling before using.
2. Perfect distance: 120cm from the ceiling and 30cm from the wall.
3. Be careful not to damage the surface of the filter.
4. Do not wash the filter.
5. Your hands may get dirty when you take out the filter.
6. The time to replace the filter will vary according to the usage and location. The standard item of replacement is 4 months. When used in places with heavy air pollution ,the replacement time will be brought forward .The filter replacement reminder indicator will light up when it's time to replace to filter.