An advanced device that emits ultrasonic water mist, where the ultra-fine water mist merges with the light7-color gradient LED, independent ambient lighting in 4 colors: blue, green, purple, red. To create a nice light cloud effect. Equipped with our own natural salt stones with good size and shape for perfect dispensing effect and comfortable use [200ml water tank, 10 hours humidification] The device is designed with 200ml large-capacity water tank, which is the highest capacity of the current similar products. The mist source volume is from 2 - 30 ml/hour, add water once into the reservoir, and enjoy maximum continuous hydration up to 10 hours. You will be completely satisfied with the device from the first day of use and thanks to the unique noise reduction technology, you will be able to control the noise of the distributor to less than 36 dB. The diffuser will also create a "steam sound" like the sound of white noise to make people feel relaxed and easy to fall asleep. [Safety First -- Auto Shut Off When Water Runs Out] Just focus on your stuff, and you don't have to worry about the humidifier. The machine will stop working once it runs out of water, which will protect you and your family from the danger of fire [Exquisite Gifts and Warm Care] This diffuser is the best gift for your friends and family to protect them from dry air and help them relax. And with the addition of a few drops of your favorite essential oil, the room will be filled with many beautiful fragrances, suitable for the office, gym, spa and home.Technical SpecificationsRated input power: DC 5V/2.0A, operating current: 900mA, rated power: 4.5W, water tank capacity: 200ml. Atomizer volume: 2-30ml/h Timer to turn off: the device stops when the water runs out automatically for added protection Product features: Colorful lighting effect Polypropylene water tank Water-soluble essential oils can be added to the atomizer Electroplating process Main, quality display, light fixation mode adjustable, built-in smart chip, water shortage and power failure protection. Natural Himalayan salts to get rid of negative energy