UVC ray can kill the which will cause odor, and the ozone will kill and oxidatively decomposes organic or inorganic odors substances. Can be used in refrigerator, car, bedroom, kitchen, shoes cabinet, washing room, baby room, and other small spaces. Can break down tiny substances in the air, reduce that can cause asthma and allergies, Kills contaminants that causes colds, flus, allergies, sinus infection, make the air fresher. Dust are tiny creatures that are invisible to the eye, on the bed, pillow, sofa,carpet, they are everywhere in and make many harms: Dust 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 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: 100cm*1cm Package Contents: 1 x Disinfection Light Bar Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.