500ml Essential Oil Diffuser, Home Aromatherapy Diffuser, Ultrasonic Aroma Air Diffuser with 7 Color Light. 500ML Diffuser, Best for Large RoomThe coverage area reaches up to 480 sq ft, which can be used in a large room.Enjoy up to 20 hours of fragrance. The three time setting for option: 1/3/6H timer. Superior safetyYou can keep this aromatherapy diffuser on at night, without having to worry about overheating thanks to the automatic waterless protection function, which ensures the safety of you and your family. Stylish gift - With its minimalist design and modern optics, the aromatherapy diffuser is an ideal and valuable gift for your friends and your family. The essential oil diffuser features an ultra-modern marble grain design that fits perfectly with any decor style. Certain essential oils can produce a healing effect that relieves your sinuses, and can help you breathe easier when using an air conditioner. You can also drop your favorite essential oil into the water as it is the perfect aroma diffuser too! The essential oil diffuser is designed to bring you the relaxation by scent, you can use different kinds of pure essential oils with water to get the aromatherapy result you need. It can also be used as an air humidifier to put moisture in the air if you just add water. Fill this little device with a few drops of your favorite essential oils, it will diffuse a natural, relaxing scent throughout your home, which will help calm the mind and pave the way for a good night's sleep. It also functions as a humidifier that evenly humidifies its surroundings. 4 Timer Options Press the "Timer" button to select the timer options. 1h, 3h, 6h or continuous timer according to your needs. Auto shut-off without water Stops automatically when the water level is too low, for your safety and protection . Low noise The ultrasonic diffuser operates quietly, without the sound of water flowing, and creates a restful and soothing environment for relaxation, work and sleep.< /p>