--. Aromatherapy diffuser & humidifier and LED night light 3 IN 1 Multi-Function. --. To anti dry & static , no radiation, silent work, fresh fragrance, to refresh air. --. The ultrasonic part and tank separated, with water and power protection. --. Nano cold mist with diameter of 0.1-5 microns, easy to moisturize the skin . --. Keep the air moist, eliminate the unpleasant smell,say good bye to dryness air. --. Widely used in many occasions: car, office, home, shopping mall, store...