Long press the bedroom humidifier light button to turn on the warm light. If you long press the second time, the light will be transformed into breathing light. The third long press will turn off the light. Enjoy even, flicker-free light for stress-free work and relaxation The room humidifier has 3 modes. Intermittent fog (3 seconds on / 2 seconds off), Continuous fog, Light only. You can just press the mist button to choose the modes you like. The humidifier for children's room is very quiet, it can create a quieter sleeping environment. Humidifier plants can humidify your living space to prevent dry stuffy air and flu/cold germs from infecting your loved ones. Avoid dry and chapped skin during dry winter months. Powered by USB adapter (NOT battery powered, the USB cable is included, the USB adapter is NOT included). The humidifier will turn off automatically when the water runs out. You don't have to worry about endangering your family or damaging the device itself. This is safer than regular humidifier Ultrasonic humidifier is ideal for different environments, such as bedroom, children's room, office, spa, yoga, don't worry about your baby's sleep quality when you are in the dark. Air humidifier can also serve as a desktop decoration to create a cozy and comfortable atmosphere. ADJUSTABLE LIGHT MODES ADJUSTABLE 3 MIST MODES QUIET ULTRASONIC OPERATION USB POWERED / WATERLESS AUTO SHUT-OFF WIDE USE All Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.