700ml Aromatherapy Essential Oil Diffuser Cool Mist Ultrasonic Air Humidifier Air Purifier 4 Timer Settings 7 LED Colors 12 Hours Continuous Mist Mode Running, AUTO Shut off, up to 60sqm coverage 4 in 1 FUNCTIONS: Aromatherapy Oil Diffuser, Humidifier, Air Purifier, Night Light. PLEASE clean once a week. ADVANCED ULTRASONIC Diffusing Technology produces vibrations at a frequency of 2.4 millions times per second breaks water and essential oils into fine micro-particles without using heat (which destroys the properties of essential oils). ULTRASONIC diffusing feature ensures the integrity of the essential oils' beneficial molecular structure and allows for ease of healthy bodily absorption. EXTRA LARGE 700ml water capacity allows continue use up to 12 hours & up to 60sqm coverage. AUTO SHUT-OFF when it runs out of water. Press the "MIST" button to TURN ON MIST, choose timer from 60-120-180mins or ON. Compact size 16.8cm*16.8cm*12.6cm. NEARLY SILENT. Whisper-quiet diffusing improves air quality, controls odors & smoke, aids breathing, boosts immunity, lessens stress. EASY TO USE. BPA FREE. Helps PURIFY and HUMIDIFY the Air. Unit may be used as a non-aromatherapy humidifier air purifier. Provides moisture for Dry Cough, Sinus Irritation, Dry Skin.