border=0>YS-18 air cooler features: 1) Cooling, humidifying, purifying2) Water, ice or ice-crystal cooling, no fluorine pollution3) Water-sprayed humidifying, collect dust and undesirable odor4) Cross flow wind way, large air delivery5) 12-hour cumulate timer6) 90° automatic winding7) Can be with LCD or without8) Remote control function9) Three wind speed levels10) 60WLR-18 air cooler and warmer features:1) Cooling, humidifying, freshening, heating2) Remote control function3) Heat by PTC4) Water, ice or ice-crystal cooling, no fluorine pollution5) Water-sprayed humidifying, collect dust and undesirable odor6) Cross flow wind way, large air delivery7) 12-hour cumulate timer8) 90° automatic winding9) 60W for cooling, 1,000W/2,000W for heating10) Three position winding11) Can be with LCD or withoutYS-28 air cooler features: 1) Cooling, humidifying, purifying2) Water, ice, ice-crystal cooling, no fluorine pollution3) Convenient to move4) Water-spraying with pump, collect dust and undesirable odor5) 3-position wind adjustment6) Cross flow wind way, large air delivery7) Table style8) 7.5-hour cumulate timer9) 90° automatic winding10) Three wind speed levels11) 60W