One time adding water can be used continuously for more than 12 hours, large tank capacity, no need to constantly add water, suitable for night time use, eliminating the trouble of frequent water refilling. The water tank is sealed with silicone gasket to prevent accidental leakage. 【LEDs in 3 Colours】: Evaporates water to increase air humidity, creating a comfortable and fresh indoor environment. Equipped with LED lights, can change the light colour, very beautiful, a total of red, blue and green three kinds of light alternation, night use is very practical. 【Dual Spray Nozzle, Large Fog】: This mini humidifier adopts double rotating fog spout design, can take care of the space twice at the same time. The fog volume is adjustable, the nozzle can be 360 degrees acid brick, applicable to a wide range, so that the warm air to fill every corner of the room 【Comfortable Experience】: Elegant and delicate shape design, the base is placed quite firmly, this humidifiers for home size is about 12.20 x 7.87inch, will not take up more space for you. Thanks to its technology, the diffuser works with a very low noise level, ensuring a good night's sleep.