180ml Capacity & BPA Free: Moderate capacity and more mist. Working time up to 10 hours. Refreshes and moisturizes the air for rooms from 20 to 40m². The diffuser does not contain BPA, it is safe for children and pregnant women. 7 Color Lights: The essential oil diffuser is equipped with 7 color lights. It is possible to adjust the 7 colors as well as their intensity. Press the light button to select the color/brightness according to your needs. You can also select the automatic light changing mode. Get the perfect combination of light and aroma to create a relaxing environment. Adjustable Mist: You can achieve continuous and intermittent spray, large mist and small mist switching. In intermittent mist mode, the ultrasonic diffuser can be used for 6 hours and continuous mist mode can be used for 4 hours. You can easily set the time (1H / 2H / Intermittent / Continuous) via the controller. Auto Shut-Off: The essential oil diffuser will automatically shut off when it runs out of water.