Diffuser Adjustable Humidity Silent Warm Night Light Smart Power Outage Feature: Anion humidifier for improving quality, only a humidifier providing cool mist, but also an purifier providing millions of negative oxygen, which produces more fresh to you and your family. Especially healthy for kids, pregnant women, senior people and those who has respiratory diseases. Quiet, thanks to the ultrasonic technology, it can spread the fine mist into the, and it is very quiet, very suitable for use while you sleep. The water tank of this humidifier has a capacity of 250 ml and can work for up to 8 hours, providing you with a full-day moisturizing experience without frequent hydration. The humidifier has a warm night light and smart timing functions. Plug in the USB cable and start running. Product specifications: Input voltage / current: DC5V/350MA Package Included: 1x humidifier 1x USB charging cable