Diffuses essential oil molecules using water and ultrasonic vibrations 3 different time-settings to suit your specific needs Low energy consumption Silent operation Automatic shutdown feature Comes with a 1 year guarantee Directions: Remove the cover Connect the adapter Add water, then add your favourite Soil essential oil(s) Cover with the lid Power on Care Instructions: Please clean the product after 5-6 uses, or 2-3 days Specifications: Height: 190 mm Diameter: 120 mm Weight: 230 grams (empty) Capacity: 200 ml Ultrasonic Vibration Frequency: ~1,7 MHz Power: AC100-240v 50/60Hz/DC12v/1A Materials: Plastic Country of Origin: Made in The People’s Republic Of China e.