ANION AIR PURIFIER: Built-in minus ion ceramic atomizing sheet produces the same minus ion of the nature to settle the impurities for you to breath fresher air. The aroma diffuser distributes mist at a 45 angle which can effectively diffuse the essential oil into the air and humidify more evenly.PREMIUM QUALITY: Eco-friendly PP, ABS material. Anti-corrosive Inner water tank was specially designed for aromatherapy oils. Will never clog like other humidifiers and easy to clean.WHISPER QUIET AND TIMER: Adopted ultrasonic technology, makes you sleep better with 20dB ultra quiet and smooth mist. You can easily press the Mist button to choose a timer setting as your wishes (1 hour/3 hours/6 hours/steady ). 50-70ml/h mist output, 300ML capacity, perfect for 20-30m space and run up to 10 hours of continuous low power.7 COLORFUL LED LIGHTS: diffuser works as an ideal nightlight that can be set to bright, soft glow or cycling through. Achieve the perfect combination of light and aroma to create a relaxing resting environment. Powerful functionality makes it useful as aroma diffuser / humidifier / air purifier / night light.WATER-LESS AUTO SHUT-OFF: Oil diffuser will automatically power off when there is no water, which is safer. Innovative non-slip base and superior cover, the top clicks into place with a twisting motion to prevent water leaked out.