UVC ray can kill the bacteria which will cause odor, and the ozone will rapidly kill and oxidatively decomposes organic or inorganic odors substances. Can be used in refrigerator, car, bedroom, kitchen, shoes cabinet, washing room, baby room, pet house and other small spaces. Can break down tiny substances in the air, reduce allergens that can cause asthma and allergies, Kills contaminants that causes colds, flus, allergies, sinus infection, make the air fresher. Dust mites are tiny creatures that are invisible to the naked eye, on the bed, pillow, sofa,carpet, they are everywhere in the house and make many harms: Dust mites bite people skin make itching and skin redness, let people can't sleep and uncomfortable. This lamp's ray is hundreds thmes stronger than sunshine, they can kill the dust mites immediately. This lamp can remove odor just like the Smoky smell in the kitchen, musty smell in the bedroom, and the bad smell in washroom, shoes box, fridge, trash can, etc. Product Name: Disinfection Light Bar Voltage: 5V Power: 14W Chip: 5050 Band: 250-300 Color Temperature: purple light Irradiation area: within 20㎡ USB line length: 120cm Power supply: USB interface, can be directly inserted into the power bank, computer host, mobile phone charging head, TV USB port Colour:White Material:ABS Size:Light strip length: 50cm x 1cm Package Contents: 5 x Disinfection Light Bar