Open more powerful sterilization purification ability of ultraviolet disinfection sterilization, light can be up to several times the strength of the midday sun with ultraviolet C band, 253.7 NM wavelength ultraviolet sterilization can in seconds destroying microbial DNA structure makes it lose ability to reproduce and survival ability, so as to destroy viruses and bacteria help of more than 200 m2 large family room a small large adsorption capacity, comfortable enjoy high quality living environment