UV Sterilization: The air purifier can irradiate microorganisms (bacteria, bacteria and other bacteria), disrupt the functions of nucleic acids, cause the death of microorganisms, and achieve disinfection purposes. And it can effectively clean rooms up to 10-25 m². 【Does not use ultraviolet to irradiate the skin】 Effective HEPA Filter: The HEPA-class filter and high-efficiency activated carbon filter work perfectly: filtering 99.97% of dust, pollen, smoke, odor, bacteria, PM 2.5, particles, dust mites, mold spores, and pet dander can be filtered down to 0.3 microns. Ozone-free. 3 Light Modes: Our air purifier will automatically detect the air quality after turning on the machine within 3 minutes: a red light indicates that the air quality is too poor, a yellow light indicates that the air quality is average, and a green light indicates that the air quality is good. Quiet Air Purifier: 360° air inlet and outlet, silent air duct design, the lowest and lowest noise level in the filtered