... 2)Fan,4speed,nanometer activity ion 3)LED display,RC,Moving,Humidify 4)CB,EMF,OEM,ODM service XITIAN AIR CLEANER HELP YOU ... the best choice for many old men and children. Xitian air cleaner clean air ,at the same time ,it can release high density ... the room ,let you can enjoy fresh air like nature in home. After test ,XiTian air cleaner work on mute sounds, every CC ...