Digital humidistat for precision humidity control. Air filter removes up to 99% of airborne particulates. 6 gallon water capacity runs 36 hours. 3 comfort control speeds. wheels for mobility. Best for wholehouse use up to 1700 sq. ft. 8 gallon daily output. programmable humidistat with digital display. Monitors and maintains set humidity level. Displays current humidity level. night light illuminates display panel.