Feature: 1. A top-filling design makes the air humidifier is easily refilled and cleaned. No need to disassemble the device to fill it with wateradd clean water directly to the water tank through the wide opening top. 2. With 3L/0.79 gallon of water, Long-range mist to efficiently humidify your room. 3. The humidifier comes with a night light to promote sleep, the night light is individually controlled and you can turn the night light on/off when the unit and mist are off. 4. No need to worry about dry burning while you sleep. In continuous misting mode, the humidifier will automatically stop misting when it runs out of water. Specification: Function: Air Filtration/Humidification Color: black Size: 16*16*21cm/6.3*6.3*8.3in Power supply: USB interface Water tank capacity: 3L large capacity Power consumption: 10~50W low power consumption Gear Adjustment: three spray/light illumination Safety: water shortage power cut off anti-dry burning