1)Cool,Heater,Humidify,Anion 2) 3 Speed,Moving,8 hours Time 3) ... ,CB,EMF,ROHS 5)OEM,ODM degree.Especially in the dry heat area,the effect would be more obvious while using ... heat for your selection.3. Humidify: In a dry area or in a dry season the effect would be more obvious while ... of the red ball in front of the cooler. Water heater