[Large capacity and large spray] Liquid water is atomized into micron-sized water particles by ultrasonic vibration. Large capacity 500 ml and fine spray are used to increase air humidity. This is a good companion for air-conditioned rooms. [Note: It is recommended to use clean tap water or mineral water for humidifier. It is forbidden to use pure water or distilled water, which will cause water to accumulate at the spray outlet of humidifier. 】 [Silent operation and night light function] Silent