Information about this product Vintage Metal Oil Diffuser: The essential oil diffuser is a unique upgraded version, made of metal and high-quality plastic. It is more durable than other plastic diffusers. Quiet Ultrasonic Operation: Thanks to advanced technology, the essential oil diffuser is very quiet during operation. It emits a very fine mist, improves dry skin and has a pleasant aroma. NOTE: If you add more water than the maximum line, there will be little or no fog. Add 2-3 drops of essential oil, adding more drops will not create a continuous mist. Timer Mode & Waterless Shutoff: The essential oil aromatherapy machine has 4 time setting modes: auto, 1 hour, 3 hours, 5 hours, with a capacity of 260ml, the oil diffuser humidifier can run up to 5-8 hours with oil diffuser The dispenser will automatically shut off when there is no more water. 7 Colors Night Light: This essential oil diffuser has 7 changing light colors, each color can be changed or fixed, creating a calm and gentle atmosphere while working, reading, studying or sleeping. Long press the light button to turn off the light. NOTE: Add water and 1-2 drops of oil below the max line.