Kill : are small creatures that are to the eye, on the bed, pillow, sofa, carpet, they are everywhere in and do a lot of damage: bite people , the skin itch and redness of the skin, let people not sleep and uncomfortable. The UV-C ray of this lamp is hundreds of thmes stronger than the sun, they can kill immediately. odor: This lamp can odors like smoky smell in kitchen, musty smell in bedroom and bad smell in bathroom, shoe box, refrigerator, trash can etc. UV-C ray can kill odor-causing , AND quickly kills and breaks down organic or inorganic odorous substances. Kills : This lamp can easily kill include: mold, Staphylococcus , E.coli, flu etc. Ultraviolet light break them down into water and oxygen. : can decompress small substances in the air, reduce that can cause asthma and allergies, Kills pollutants that cause cold, fluorine, allergies, nasal infection, making the air cooler