this air cooler is used in household and working office, which marks difference with other air coolers in it's unique feature Power Source: ElectricalCooling: WindType: Air Conditioning AccessoriesShell MaterialABSFan TypeAxial-flowModel: HF -65Air Volume: 6500m³ /HScope50 m²Power: 180WOperating Voltage:220V/50HZWater Consumption: >=5 literSize: 900*490*1420mm1.---Small size, low noise, ...