4L Tank for All Day Use: The air humidifier has at least 4 Liters of water for over 30 hours operating time; It is able to humidify the air in rooms up to 10-30 m²/ 107-322 ft² like for bedroom, living room, nursery, office etc. Cool Mist Humidifier: Safely moisturize the dry air in the room, relieve pressure, and create a comfortable and breathable home life atmosphere. Enjoy the overnight mist and rest easy. Perfect for your baby and a distraction-free night's sleep. Adjustable Mist Volume Humidifier: This cool mist humidifier has a low to medium high fog volume output, up to 260ml/hour. You can set the level you need based on the humidity around the room, and the 360° rotating nozzles allow the mist to disperse in any direction, providing even humidity for a soothing, comfortable environment. Safe & Convenient Operation: The dehumidifier supports to add water from above and its auto off system enhances the the safety of electric using. The visible water tank can be easier to add water and clean the humidifier directly. Home Portable Humidifier: This practical humidifier has a modern appearance and a good size, it fits every corner of your home, suitable for bedroom, study, office, large room, plant room, etc. A sweet gift to take care of your family and friends.