The perfect humidifier and diffuser to keep your family healthy and happy. With its large 2 Gal. accessible tank and dishwasher safe parts, cleaning is so simple. Not to mention, its mist output runs for over 24-hours in a large size room and it works as a diffuser for essential oils and vapor liquids. It's optional color changing nightlight is also a great additional feature that gives off a soothing glow. Crane’s top fill ultrasonic cool mist humidifier and aromatherapy diffuser provides up to 500 sq. ft. of coverage and 24 hours of soothing moisture to help relieve the effects of dryness and congestion, helping you and your family to breathe easy and sleep through the night peacefully.