... Wet curtain cooling humidification with dramatic effect. Air cooler and heater Description:1.With CE,GS,ROHS certificates.2. ... 18.Up to 7.5 hours timers.19.Function: heater,fan,purifier,humidifier.20.Standard color: white21..Installation: ... .0.5 to 7.5 hours timer setting. Cooler Type: Voltage220V-240V 50HzRated Cooling Power80WRated Heating Power1000W, ... ; 40'GP:578PCS; 40'HQ:696PCS air cooler and heater