... : 380v or 220vFrequency: 50HZPower: 750w-2200wEffective area: 70-150m2Type of Wind: Up windAir blower type: AxialController type: Intelligent Switch Control SystemOverheat Protection ... air insideApplication:Hot and dry area, supmarket, workshop, factory, hospital, railway station, bus station, Greenhouserestaurant, exhibition hall, meeting room, clothing factory ...