2-in-1 Humidifier and Essential Oil Diffuser: The smart LED light combines with the humidifier spray to create a realistic flame effect. You can add 3-5 drops of your favorite essential oil when applying to relieve fatigue, moisturize the skin and relieve stress. Warm Light Effect: The warm light effect of essential oil diffusers makes it a great choice for creating a warm and relaxing atmosphere. It can be used as a night light in a child's bedroom or as a decoration in the living room. Ultra Quiet: When the diffuser is turned on, the noise can be controlled below 25 decibels. Improve your sleep quality, soothe your mood, and relieve stress at work, study, yoga or spa. Automatically shut down when there is no water: The diffuser is equipped with a 150ml water tank, which can work continuously for about 6 hours. When there is no water, the diffuser will automatically shut down, which is safe and reliable. Water shortage and power failure protection: The water shortage and power