Unlike a traditional fan or air conditioner, an evaporative cooler offers better cooling with a higher wind volume, lower temperature and the ability to perform other functions too. The Costway Evaporative Cooler is an air cooler and humidifier roll into one compact and stylish machine. To use it as an air cooler, simply prepare the included Ice Crystals according to instructions, leave it in the 6-litre water tank and turn on the Evaporative Cooler to get super cool breezes through its automatic swing louvres