... ,all brands can supply 3.Air cooler, humidifier, heater and air purifier:4 in 1 7L Portable Evaporative Air Cooler.1) With Remote Control ... and Soft Button Switch.2) Air cooler, humidifier, heater and air purifier: 4 in 1.3) 220V~50Hz, 95W ... (2100W for unit with heater).4) Air Volume: 700m3/h.5) Humidifying Capacity: 700ml/h.6 ...