Urpower New Version: The Urpower 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 cubiclesUltrasonic aroma essential oil diffuse is safe and does not harm the essential oil of any ingredientsFight back against dry air. This stylish cool mist humidifier adds moisture to your air to eliminate dryness and help with your dry chapped skin, chapped lips and dry sinuses. Add a drop of your favorite essential oil to give your room a fresh, clean scentFeatures 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 deviceContent: 100ml,Material: PP Hard plastic,Working time: up tp 6 hours,Adjustable two mist settings:continuously and intermittently,Whisper-quiet operation won't interfere with your sleep