Air cooler model: YS-03 1) Cooling, humidifying and purifying 2) Water, ice or ice crystal cooling and no fluorine pollution 3) Water-sprayed humidifying, collect dust and undesirable odor 4) Cross flow wind way and large air delivery 5) 1 hour cumulate timer 6) 90-degree automatic winding 7) Mechanical style 8) Three wind speed levels 9) 60W Air cooler model: YS-04 1) Cooling, humidifying and purifying 2) Water, ice or ice crystal cooling and no fluorine pollution 3) Water-sprayed humidifying, collect dust and undesirable odor 4) Cross flow wind way and large air delivery 5) 7.5 hours cumulate timer 6) 90-degree automatic winding 7) Mechanical style 8) Three wind speed levels 9) 60W 10) Remote control function Air cooler model: YS-22 1) Cooling, humidifying and purifying 2) Water, ice or ice crystal cooling and no fluorine pollution 3) Convenient to move 4) Spraying, collect dust and undesirable odor 5) Big wind setting 6) Cross flow wind way, large air delivery 7) 7.5 hours cumulate timer 8) 90-degree automatic winding 9) Used with pump 10) Three positions for wind speed 11) Remote control function 12) 60W