1. Segment display.
2. TVOC:Organic volatile gases such as formaldehyde, benzene carbon monoxide, ammonia, hydrogen, alcohol, cigarette smoke, etc.
3. CO2:Infrared carbon dioxide is used.
4. Control UV sterilization lamp timing open and close.
5. It can be turned on and off according to the students’ daily schedule.
7. Remote control: remote control is over 10 meters.
8. App control
9. pm2.5:Adopt digital laser sensor
10.Dc brushless generator:310V EC.
11. safety gate
12.Time display (Beijing time)
13. Negative oxygen control：It’s called “air vitamin”，is well to our body.
15.Step motor new wind motor control