doTERRA Dawn Aroma-Humidifier is designed to create the ultimate level of comfort in any room. Its smart sleep mode maintains ideal humidity levels throughout the night, helping create the perfect environment for a good night’s sleep. Specs & Features: Water capacity: 1.8 L/0.48 gal Suggested room size: Up to 270sq. ft/25sq. m Continuous operation: High mist mode—up to 7 hours, medium mist mode—up to 12 hours, low mist mode—up to 22 hours Sleep mode—Automatically adjusts to maintain a comfortable level of humidity Easy to clean: Easily disassembles for cleaning Top fill feature: Add water and essential oils without having to remove any lids or cover Low noise level Automatic safety shut-off