... filter technology;3. Effects removal of formaldehyde, benzene, ammonia, TVOC, odor, smoke; 4. Disinfection of reactive oxygen species-specific functions ... fresh very much7. Sleep timer function, the use of very comfortable;8. Air quality automatic inspection system, control ... indoor;9. Automatic intelligent mode, saving power and peace of mind;10. along with purification and humidification function11. ...