Moisturizing Warm & Cool Mist: Evens out warm and cool mist to hydrate air, promoting easier breathing; UV-C tech minimizes bacteria in mist Large Water Tank: 2-gallon top-fill tank offers up to 120 hours of runtime; Clean Tank Technology shields from mold and mildew; includes 2 demineralization cartridges Perfect for Large Spaces: Suitable for big bedrooms and family rooms up to 587 sq. ft Customizable Settings: Remote control allows selection of 5 mist levels, digital humidistat, auto-off timer for night use, quiet operation The TotalComfort Ultrasonic Humidifier, equipped with UV-C Technology and Remote Control, eases your and your family's breathing by delivering visible warm & cool mist. It boasts a 2.0-gallon top-fill water tank, featuring Clean Tank Technology to safeguard against mold and mildew. This humidifier comes with 2 demineralization cartridges and a 2-year limited warranty. It offers adjustable settings via remote control, including 5 mist settings, a programmable digital humidistat, an auto-off timer for nighttime use, and whisper-quiet operation.