1. Touch button,function display on LED screen
2. Air quality sensor monitor the air condition in real time
3. Speed: Low,Normal,High
4. Auto mode: According to air quality,adjust the speed automatically for the energy efficiency and environmental protection
5. Sleep Mode:Running in a very slow speed almost without noise
6. Child Lock
7. Timer Function
8. WiFi Mode Optional
9. Filter replacement indicator
10. PM2.5 Display