Humidifying the air by vaporizing water with cool ultrasonic waves Built-in negative-ion function for improving the air quality Variable vapor flow control with auto-stop function Compact size but providing the same feeling of large-sized humidifiers Ideal for home, office or travel use Can be used as an aroma dispenser when a few drops of diluted essential oil is added Removable bottle fills easily with tap water Runs for up to 12 hours without refill Calming blue night light helps you to rest and relax Comes with a piece of soft packing bag for travel use Included AC switching adapter Input voltage: 100 to 240V AC Rated voltage: 24V DC Power consumption: maximum 12W Bottle water volume: 300 to 1,000mL Mist capacity: about 180mL/h Ions output: 1 million ions/cc Dimensions: 127 x 69 x 122mm Weight: 300g