Easy-to-Use There are 2 buttons to control essential oil diffuser, MIST is for timer settings and LIGHT is for light control, just press the buttons to set the oil diffuser to meet your needs. Automatic shut off safety system With a stable and reliable safety system, when the water is lower than the tank, it will turn off automatically to protects the product from being burned out and give you a intelligent life. 7 Color Changing LED lamps Comfortable color will give you a perfect day. This diffuser has 7 changing color for your choice. You can choose to fix on one stable color or let it transformed with 7 various color or switch off the light Large mist coverage The aroma diffuser with 100ml water tank capacity, it can cover 250+ square foot area. With this little diffuser gadget put on your bedroom or office, you will feast every single nutrient absorption to give you a more revitalized and healthy life, allowing you to have a wonderful SPA time. Create Aromatherapy to purify surrounding air Surround yourself with aromatherapy. It uses ultrasonic waves to release a cool healing vapor that can moisturized the surrounding air with aroma. When your home/office is full of refreshing and healthy aroma, you will enjoy a more pleasant day, a better sleep and wonderful life. The running sound of our aromatherapy essential oil diffuser is less than 30dB. Suitable for use in the office or living room. (Note: it is normal for the aromatherapy diffuser to make a little noise when it is in operation, this indicates that it is working.) Add 2-3 drops of your favorite essential oil, then enjoy a nice and sweet dream surrounded by the natural, fragrant, soothing aroma With the compact portable size, elegant shape and unique design, the oil diffusers use Ultrasonic waves to instantly vaporize water and essential oil in the tank,to produce a dry fragrant mist