Indoor Air Quality: our prime concern for babies' well-being. Practical Humidifier to adjust the air in your child room: A right and balanced humidity level is really essential for your baby. The Babymoov aquarium humidifier will help you in maintaining the room humidity for 7 to 18 hours. Thanks to the Ultrasonic system the Babymoov humidifier produces a healthy and cool mist and shuts down automatically when the water level is too low. Very easy to use, the aquarium humidifier is very quiet and allows your baby to have a peaceful night. Plus, its gender neutral design will match every type of baby room.