No New Version: The Ultrasonic Aroma Essential Oil Diffuser is an upgraded version. The 2nd generation produces more mist than old version. An ideal way to add moist, comfortable air to small bedrooms, hotel rooms, tabletops and even workplace cubicles 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 Outlet shouldnt be inserted cord that exceeds the maximum voltage. Add a few drops of your favorite essential oil to give your room a pleasant scent. Features include 7 color changing lamps for your choice, nightlight, programmable on/off cycles and auto shut-off.once the water runs out,it wil be auto shut-off to protect the device Content: 100ml, Material: PP Hard plastic, Working time: Up to 6 hours, Adjustable two mist settings: Continuously and intermittently, whisper-quiet operation won't interfere with your sleep. There is an adapter, user manual and diffuser in the package.