... ,EMF,ROHS 5)OEM,ODM degree.Especially in the dry heat area,the effect would be more obvious while using the ... cooler.2. Warm: It will blow out the warm or heat wind for you it get 2 speed of high and ... lower heat for your selection.3. Humidify: In a dry area or ... way,it is clear at a glance to find the water level in the box because of the red ball in ...