Description: Automatically change the lights, or you can select colors as needed This humidifier does not generate noise when working, sleeping, working or studying,doing Yoga, and enjoying SPA. Automatic Power off Safety System:When the water is used up, it will turn off automatically to protects the product from being burned out. Please use 100% pure essential oils with no corrosivity, Ultrasonic aroma essential oil diffuse is safe and does not harm the essential oil of any ingredients. Suit for beauty salon, spa, yoga room, bedroom, living room, conference room, office, reception center, corridor, pet room, bathroom, baby room, hotel, hospital or any other place. Specification: Material: PP + ABS + Glass Size: Approx.15.2x15.2x20cm / 6x6x7.9 inch Capacity: 350ML Power: 15.6W Led light: 7 colors Timing Set: 1H / 3H / 6H / ON Weight: 0.65kg Mist output: 30ml/h (little mist mode) or 45ml/h (mist mode) Working hours: Low Mist 18-20 hours, High Mist 10-12 hours. Ultrasound frequency: 2.4 MHz Plug Standard: US Plug Package Includes: 1 Piece Humidifier 1 Piece US Plug Cable 1 Piece User Manual Note: Essential Oil not included in the package. Pay attention to the filled water level; Dont exceed the max 350ML of water tank. If the water of tank is dry, the diffuser will cut off the power automatically. Please do not remove the cover while using. As different computers display colors differently, the color of the actual item may vary slightly from the above images. There is 2-3% difference according to manual measurement.