EMP3980W is a special anti-virus system for buses. The product uses special UV light for anti-virus and sterilization. Combined with the intelligent control terminal, by using the air supply system with constant circulation, UV light will eliminate bacteria and viruses in the air. By using UV light, the vast majority of organic matter can be quickly decomposed, and the peculiar smell inside the bus can be removed, which helps to provide a safe and comfortable riding environment for passengers.