Adjustable Lighting Modes: Long press the light button to turn on the warm light. If you press it the second time, the light will turn into breathing light. If you press it the third time, the light will be turned off. Enjoy a uniform, flicker-free light for stress-free working and relaxation. Adjustable Mist Modes: Intermittent mist (3 seconds on / 2 seconds off), continuous mist, light only. You can simply press the mist button to select the desired modes. Quiet Ultrasonic Operation: Humidify your living space to prevent dry, sticky air and flu/cold germs from infecting your loved ones. Avoid dry, cracked skin during the dry winter months. USB Powered/Waterless Auto Shut-Off: Powered by USB adapter (not battery powered, USB cable is included in the delivery, USB adapter is not included). The humidifier will automatically turn off when the water runs out. You don't have to worry about your family being in danger or the device itself being damaged. It's safer than a normal humidifier. Wide Use Ideal for different environments, e.g. bedroom, children's room, office, spa, yoga, don't worry about your baby's sleep quality when you are in the dark. It can also be used as a desktop decoration to create a comfortable and pleasant atmosphere. Color: White Size: 95*95*129mm Quantity: 1 piece