Color Changing Cool Mist Humidifier 360 Rotating Mist Outlet  A rotating nozzle designed to easily change the direction of the mist. Covers between 80-100 square feet. Removable Neck Unscrews for easier cleaning and can be used as a handle when transporting the water tank for refills. Half-Gallon Water Tank  Stores up to 2L (.5 gal) of distilled water for up to 10 hours of use per tank. Cleaning Brush  Neatly nested in the base for simple storage. Use to clean Humio as needed. Positioning Points  Identifies the correct position where the water tanks rests on the base.