Oil is not included in the package. Tap water is the best choice.
If the water added over max line, the mist will be very thin(less water, more mist)
The URPOWER ultrasonic aroma humidifier does double duty to make your home fresher and healthier for up to 6 hours. First, the humidifier function adds moisture to the air to help you sleep better, cough less and alleviate dry sinuses. This handy unit also diffuses your favorite scented oils without heat, so their holistic properties stay intact. The result is healthful, moist air that smells subtly fresh and clean.
Automatic shut off safety system when waterless protects the product from being burned out. Keep essential oil 100% natural without burning or heating and automatic shut off safely.
Looking for a simple way to calm and freshen a room? The Ultrasonic Aroma Essential Oil Diffuser is elegant and easy to use. just add 100ML of water and a few drops of your favorite essential oil. Advanced ultrasonic vaporizing diffusion technology quietly releases a soothing fragrant mist up to 6 hours.

Technical Details

Width : 0.75 cm
Height : 0.75 cm

Product Details

ASIN : B01MZ3ID07