The Crane Drop ultrasonic humidifier quietly dispenses cool mist to increase air moisture levels. This portable humidifier provides relief from nasal congestion, dry cough, nose bleeds and dry skin so you can breathe and rest more comfortably. Its nozzle rotates a full 360° to cover the entire room. The Crane evaporative humidifier is capable of misting 2.3 gallons of moisture per day on medium setting. It has a 1 gallon tank with an indicator to let you know when a refill is necessary and can work for up to 10 hours on a single fill. An auto shutoff sensor provides peace of mind by turning the unit off when the water level gets low. This bright green humidifier has a cool water-drop shape. The water tank can be removed for easy cleaning. Suitable for rooms up to 250 square feet.