[400ml Essential Oil Diffuser]: The capacity of the essential oil diffuser is 400ml, adding 2~4 drops in your room will help. Do not fill closer to 400ml as it can easily leak from the container. Plus, its waterdrop design is actually popular with a lot of people. [7 LED Colors & 15 Cycle Modes]: You can choose 7 LED colors through its controller, each color offers dim and bright options on this oil diffuser. In general, you can choose from 14 color modes and one fixed color mode to meet your different needs. When you long press the light until the light turns off, then press the light button again, you will get cycle colors. [Auto Shutoff Function]: For electrical safety, this air diffuser can be turned off automatically when there is no water in the tank. Also, you can choose from 4 timer settings, 1 hour, 3 hours, 6 hours and continuous. Depending on your needs, you can choose the appropriate timer or spray setting. [Great Mist Output & Quiet]: This diffuser is made of natural wood grain with water drop design. In addition, we have adopted ultrasonic technology, which can not only generate enough mist for your room, but also bring you whisper-like quietness.