Multiple Duties: Use as aroma diffuser, mist humidifier or night light. Fill with tap water to add moist air to help with your dry chapped skin, and add 2 or 3 drops of essential oil to give you a fresh clean fragrance, perfect for soothing your mood. whisper-Quiet Operation: Advanced Ultrasonic Tech ensures the diffuser works without noise and no harm to essential oil of any ingredients, making it ideal for Home, Yoga, Workplace, Spa, Bedroom, Baby Room. smart Design: Features 7 colour LED lights, you can choose gradually changing mode or one colour mode with bright or dim adjustment. Auto shut-off once the water runs out to protect the device. Longer Diffusing Time: The 100ml water capacity can last up to 6 hours in intermittent mist mode (30 seconds on/30 seconds off), 4 hours in continuous mist mode. Brand: Sundix Type: Humidifiers.