Ultrasonic 7 color LED Light Night Light Essential Oil Air Purifier

3 in 1 FUNCTIONS: Aromatherapy Diffuser, Humidifier, Night Light. PLEASE clean it at least once a week, DVANCED Ultrasonic Diffusing technology which produces vibrations at a frequency of 2. 4 millions times per second breaks water and essential oils into extremely fine micro-particles without using heat, Large 500ml water capacity that can continue use up to 10 hours each time. When time is up or there is no water, it will turn off automatically. Press the "Mist" button, choose the timer from 60 mins, 120 mins, 180 mins or ON, Provides many benefits e. g. help to lift your mood and relieve stress, cover the smell of pets or smoking, protect you family from excessively dry room and more, Can be used as a humidifier. Provides moisture for dry room & dry skin