【Ultrasonic Technology Diffuser & Humidifier】：Atomize pure water of the essential oil through ultrasonic technology, allowing the aroma to float in the air, soothing your mood, relieving stress, helping to sleep, and moisturizing the air. Your room will be full of fragrance with several drops of oil into the water, which can alleviate your daily fatigue and ensure you a better sleep. Perfect for bedroom, study, office, living room, bedroom, yoga, SPA, conference room, baby room, etc.【7 Soothing LED Lights】：The LED light can be set to 7 soothing colors. You can cycle it through 7 colors, or set it to one fixed color.Colour change is smooth with gentle transitions.With the color change, it is also a good choice to create a romantic atmosphere.【400ml Large Capacity 】：This aroma diffuser can work for up to 10 hours with a capacity of 400ml. It can generate 30-50ml mist per hour and refresh 10-60㎡. Natural style wood grain easily fits most room decoration.【Waterless Auto shut-off & BPA Free】Designed with waterless auto shut-off function, this essential oil diffuser will turn off automatically after 5 seconds when water runs out. This can keep you safe and protect the aroma diffuser itself as well. What's more, aromatherapy diffuser is made of BPA-free materials, which is 100% non-toxic and environment-friendly.【4 Timer Setting & 2 MIST Modes】 There are 4 timer setting, 1H, 3H, 6H or even continuous operation. You can set any time you like. With the continuous strong mist or intermittent fine mist, with or without light, you can choose the one to adapt your mood.