EFFICIENT & MEDIUM WATER TANK: A large 4L removable water tank can be filled with ice and cooling packs to increase the units efficiency by utilizing old water vapor to reduce heat in the air. Humidifier : It is also humidified and cleaned to improve the indoor climate. set the ideal temperature for your room when it be a hot summer afternoon. SUSTAINABLE USE ?The three wind speed settings and the left-right swing of the fan leaves distribute the cold air evenly indoors and ensure large-scale cooling. This economical cooling system is ideal for rooms that do not require expensive air conditioning. 8 hour timer :for added convenience you can set a timer for a duration of up to 7.5 hours WARRANTY: This item comes with a 365-day warranty to give you peace of mind when purchasing our product.