Evaporative Cooler & Humidifier & Fan: This evaporative cooler with humidifying, evaporative purifying and cooling function will be your perfect partner to spend hot summer days. By providing a large amount of cooling evaporative flow together with water vapor, this cooler fan can cool down the whole room. 3 Adjustable Wind Modes & 3 Speeds: Design with 3 wind modes (normal, natural, sleep) and 3 speeds (high, medium, low), this evaporative cooler can meet your different needs and is suitable for various occasions including home and office. In addition, this evaporative cooler has a wide swing angle, which can cool down quickly and evenly. 7.5-Hour Timer & Large Water Tank: 7.5-hour timing function allows you to set the auto off time to give you a comfortable, cool and healthy sleeping environment. 7L large capacity water tank allows for a long time cooling and helps to reduce the frequency of adding water.