4 in 1 100 ml Ultrasonic Aroma Oil Diffuser Humidifier Free Aromatherapy Essential Oils (3)5ml Lavender Orange and Citrus Herb with 10 Colorful Light Changes 3 timer Settings Auto Shut-off Home Office FUNCTIONS: Aromatherapy Diffuser, Humidifier, Air Purifier, Ionizer, Night Light. Ultrasonic Aroma Diffuser/Humidifier creates instant relaxation. Simply add a few drops of essential oil supplied (5ml Lavender, Orange, and Citrus Herb included) Helps Purify and Humidify the Air and improves the quality of the air we breathe. Humidifier provides moisture for Dry Cough, Sinus Irritation, Dry Skin. Unit may also be used as a non-aromatherapy humidifier. 100ml water capacity that can run up to 6 hours. When water runs out, it will turn off automatically Three Working Modes: Intermittent Mist(30 seconds on/30 seconds off) up to 6 hours, Continuous Mist up to 3 hours, and Lights only. Extra Long Power Cord: 6 feet