HighlightsHumidifying, Airflow & Cooling 3-in-1 - Our evaporative air cooler delivers an airflow of up to 1800 CFM, quickly cooling and refreshing the air. When you need quick cooling in hot weather, place the ice boxes (refrigerated for 4 hours) in the water tank for optimal cooling. 60° horizontal and 120° vertical wide-angle oscillation ensures a cool and comfortable experience in dry outdoor or open indoor environments.Efficient Cooling - The 1.18 in precision water curtain with a honeycomb surface allows for faster evaporation, instantly increasing the relative humidity of the air. Matching high airflow, this portable swamp cooler provides significant cooling or humidifying effects in areas with humidity levels below 60%. Ideal for both hot summers and dry winters.Detachable Water Tank - No need to bend over to refill! Simply add water from the top to fill the 6.8 Gal tank, ensuring all-day humidifying or cooling.Multi-Function Interface - The touchscreen interface has multiple mo