Large capacity: With 1.9L water tank keeping full night work with out refill.</br>Optional mist mode and changeable light mode: There are low/high setting for you to choose according to the different air condition. And there are blue/green light for you to choose according to your need.</br>Waterless Protection: Using lack of water protection will not only to prolong the lifetime of the components but also to ensure your safety.</br>Simplified Operation: One power button to turn on/off the device and adjust the mist mode.</br>High Quality Filter: By eliminating the bad smell and keeping the humidifier clean to offer soft and healthy mist.</br></br>Product Description</br></br><b>Description:<br>Humidity helps fight cold and flu symptoms reduce irritation from dry coughs and stuffed sinuses.<br>URPOWER Cool Mist Humidifier uses Ultrasonic waves to instantly vaporize water in the tank to produce a cool dry fragrant mist.<br>This Ultrasonic Mist Humidifier does what the others can't and it uses advanced technology to push moistened air throughout the entire room; <br>It even recovers and circulates heat from your ceiling and more.<br>Great for every room in your home?? office?? hotel--just about anywhere and fully enjoy yourself with this Cool Mist Humidifier.<br><br> <b>Troubleshooting:<br>If there is no mist coming out af