Honeywell Filter Warm Moisture Humidifier quiet, filter- operation that runs up to 24 hours on a single filling. This humidifier produces a visible warm mist and features two moisture output settings to customize your comfort. A convenient refill light alerts you when it's time to add water, and the unit automatically shuts off when water levels fall below the minimum. Designed for medium-sized rooms, it includes a medicine cup for use with liquid inhalants and has a generous 1-gallon tank capacity. With a coverage area of up to 520 square feet, this humidifier measures 6-1/2 inches wide, 12-3/4 inches high, and 8 inches deep, and operates on 120 volts. Its sleek black design fits seamlessly into any room, providing up to 24 hours of continuous run time. Model Number: HWM-705B