【Improve Air Quality】The air humidifier provides up to 36 hours of mist thanks to its large capacity of 2L, it quickly refreshes and humidifies the air of rooms of 20 to 40 m², it uses silver ion antibacterial materials, which can effectively inhibit the growth of bacteria and make breathing healthier. For the first use, you need to soak the cotton ball (2 minutes), otherwise the humidifier may not spray! When the water level is too low, the humidifier will stop spraying automatically. 【Intelligent Temperature Humidity】A cutting-edge humidity sensor detects the humidity in the room. The humidity range is 0 to 75%, outside the range, it always displays 75%. The humidifier uses a control button to control all functions. If you press the switch twice, you can also check the temperature. 【7 COLOR LED Night Light Quiet】This baby air humidifier has a color cyclic light setting that creates a peaceful environment while providing a relaxing mist. If you prefer a color, you can also fix a