ML-824 100ML Gypsophila Flowers Aromatherapy Diffuser Air Humidifier with Colorful LED Light for Office Home 1. Made of ABS, PET and PP material. 2. An ideal way to add moist, comfortable air to small bedrooms, hotel rooms, tabletops and even workplace cubicles. 3. Adjustable two mist settings: Continuously and intermittently, Whisper-quiet operation won't interfere with your sleep. 4. Build-in eternal flower and LED lamps, nightlight, programmable onoff cycles and auto shut-off.once the water runs out,it wil be auto shut-off to protect the device 5. Please use 100% pure essential oils with no corrosively, Ultrasonic aroma essential oil diffuse is safe and does not harm the essential oil of any ingredients 6. Outlet shouldn't be inserted cord that exceeds the maximum voltage. Fight 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 pleasant scent.