450ml capacityThe Essential Oil Diffuser comes with a 450ml water tank capacity . It has a coverage area of 20-40 square meters and can fill the whole room with fragrance super quiet aromatherapy diffuser Using ultrasonic technology to run quietly, enjoy a pleasant work and quiet sleep. Built-in water level detector, it will automatically turn off when there is water shortage, providing safety protection for your family. 3 mist mode and remote control 1. Intermittent mist mode: after opening the product, select the opening time of 1h/3h/6h/, then press and hold the miss button for 2 seconds, and hear two clicks. You can turn on the intermittent mist mode, which pauses every 30 seconds. It can last 10-12 hours. 2. Continuous mist mode (including strong fog mode/weak fog mode, which can be operated on the remote control): click the miss button and select the on option (working time 8-10 hours) until the water is used up, which will produce an instant fragrance in your room. 3. Remote control improves the convenience of product use Four timer settingsThe essential oil diffuser has 4 timed settings. 1 hour/2 hours/3 hours/maximum water capacity can work continuously for 10 hours. Personalized time settings improve the ease of use of the product, allowing you to enjoy work, reading, yoga, meditation, and more 7 colorful lights diffusers for essential oils large room has 7 kinds of ambient light, each light has two modes (dark and bright ), there are 17 different light combinations in total, you can choose the fixed color light you want. Not only can be used as a night light but also can be used as light therapy in combination with aromatherapy.