Breathe easy again. Sunpentown ultrasonic humidifier has hygrostat sensor and plenty of other high tech features. LCD control panel is offset by bright blue finish. A night light is built right in, as is whisper quiet operation - it's ideal for nighttime use! Cool mist (ultrasonic technology). Hygrostat and temperature sensor. Digital control panel with LCD. 360 adjustable mist nozzle. Color changing night light. Ionizer. 10 mist output levels. 2.45L water tank capacity. Degsigned for rooms up to 400 sq. ft.. Adjustable humidity setting. Auto shut-off protection (ultrasonic generator only - fan will continue to run). Design patent: 20053005754.4. ETL. Input voltage: 120V / 60Hz / 0.24A. Power consumption: 32W. Coverage: 400 sq. ft.. Water tank capacity: 2.45 L. Water output capacity: 7.5 L per 24 hours. 5.75 in. W x 10.75 in. L x 11 in. H (4.25 lbs). Foot print: 4 in. W x 8.5 in. LThis whisper quiet ultrasonic humidifier will help you breathe easier and sleep more comfortably. High humidity output with 10 settings and a 360 adjustable mist nozzle. Built-in color changing night light is perfect for child's room. Hygostat and temperature sensor displays current room humidity and ambient temperature. LCD and digital controls allow exact humdity setting and mist level. Unit turns on and off automatically to maintain desired humidity level.