Children’s purification system - The filter will soften and purify water, reducing health problems and creating a comfortable living environment for you and your loved ones. Suitable for nursery, bedroom , home or office. Soothing colored lights create additional comfort and pleasure. Colored lights, you can turn off the lights when you don’t need them. The ultra-quiet patented muffler allows the humidifier to emit only 24dB of sound on low settings and 34dB on the highest settings. Super convenient top fill 1 liter reservoir - Easy to fill from the inlet on the top of the unit. Filling has never been easier! Also super easy to clean.