1)Cool,heater Humidify,,Anion 2)3Speed,Moving,7 hours ... 4)CE,CB,EMF,ROHS,OEM Function instruction of water heater 1. Cool: It will blow out the fresh ... effect would be more obvious while using the cooler.2.Heater : 3. Humidify: In a dry area or in ... it is clear at a glance to find the water level in the box because of the red ball ... IN DETAIL ,PLEASE LINK: www.sdxitian.com Portable electric water heater