Essential oil diffuser set: equipped with a 550ml aroma diffuser. Add our essential oils to the aroma diffuser, it will use ultrasonic technology to atomize water, float aroma in the air, add moisture to the air, soothe your mood, relieve stress and help to sleep. Upgraded version ML 550ML: The diffuser is very quiet and will not disturb your work, concentration or sleep. It can fill up to 550ml of water, generate 30-50ml of humidity per hour, and keep it cool in a room of 10-60 square meters. Made from BPA-free materials, it's 100% non-toxic and safe for babies. A remote control is included so you can control the diffuser without leaving your seat. 7 Rainbow Lights: 7 colors of lights can be adjusted in color and brightness. It has 3 brightness modes: on / dark / off. Press the essential oil diffuser light button to select your desired color/brightness, or you can switch to auto light changing mode. Get the perfect combination of light and fragrance to create a relaxing environment for rest. Adjustable mist and auto shut-off: In intermittent mist mode, the ultrasonic diffuser can be used for 9 hours and mist mode continuous can be used for 6 hours. 4 timing settings for 1 hour, 3 hours, 6 hours or continuous operation. Due to the built-in protection system, it will automatically shut down when there is no water or overheating. (A measuring cup has been shown to help you better control the amount of water.) PERFECT GIFT: Powerful functionality makes it useful as an aroma diffuser/humidifier/air purifier/night light. Perfect for bedroom, study, office, living room, bathroom, yoga, SPA, conference room, baby room, etc. A multifunctional essential oil humidifier designed for family life. The perfect gift for you, your family and your friends.