Sunpentown Ultrasonic Humidifier with Fragrance Diffuser, Blue: * Designed for rooms up to 450 sq. ft. * Will help you breathe better and sleep more comfortably * Auto-off function * Large 2.3L water tank eliminates the hassle of constant refill * Provides year-round relief from the drying effects of AC and heat * High humidity output with stepless control * Features dry protection and water refill indicator * Features: * Cool mist ultrasonic technology * Fragrance diffuser * Night light with independent switch * Adjustable mist intensity * ETL certified * 1-year warranty * Model# SU-2550B