?Personal Evaporative Air cooler:Add Pure Water Along With Small Ice Cube Or Essential Oil In The Water Tank,Blows A Stream Of Cooling Wind And Lowering The Temperture Of Your Personal space. ?Quiet Operation And Intelligence:You Can Use It Safely Because It Does Not Disturb Sleeping, Once You Add Water You Can Also Use A Cold blower. ?Range of use:Best for hot / dry climates, where the air humidity is low.Oscillating air circulation for even spread of air distribution. ?easy to move:it is equipped with four casters that allow for easy movement across most floor surfaces. You can easily move to the space you need to cool down. ?mini air conditioner:small and portable size ,Very easy to pick up and move,No blades exposed