Excessively low humidity may occur in hot or dry climates! EAH -879 Ultrasonic Cool Mist Humidifier, is the solution to it. This humidifier increases humidity easily where ever you keep it. It has a compact design so that you can carry it conveniently wherever you want. The humidity output is easily adjustable according your preference.Reduces Flu & Cold Infections Excellent for Sinus Patients Increases Heat Level in Winters