SPT SF-608RA Portable Evaporative Air Cooler Evaporative air cooler, humidifier, and fan for cooling and humidifying Uses water to cool the air; oscillating louvers for even distribution 10-liter water tank; 3 air speeds; sleep mode; 1/2- to 7-1/2-hour timer Air flow of 23 feet per second; nylon and photocatalystic filter; remote control Measures 12 by 16 by 25 inches; 1-year warranty Please refer User Manual and Instruction Manual under the product description. Works best in very hot and dry climates, where humidity levels are &lt;40%. Does not provide the same cooling as an A/C unit.They are only meant to work in certain climates, specifically very dry and hot climates. They make the room humid unless the customer has an open door or window to release the humidity.