1.Inhibit the growth of bacteria, remove the bad smell. Remove bad smell, eliminates dusty, smog. keep air fresh. 2. Sterilization function: To kill a variety of bacteria; Degradation of pesticide residues. 3. Low noise, low consumption 4. Smart design, variety application space for kitchen ,room and toilet. 5. Ozone function:200mg/h output, inhibit the growth of mould, and effective decomposition of formaldehyde. 6. Intelligent timer function:20 mg/h, Work cycle as working 15 minutes, stopping 30 minutes. Last running time is 8 Hours, automatically off work.