Description Product Details: Helps promote harmony, and a stress-free, calm environment. Add essential oil to transform it into a mist and the fan on top spreads it around the room. Interchange LED light or use a fan to help spread mist. Gentle and safe for daily use. The diffuser and humidifier can cover up to 700 square feet and it is USB powered—simply plug it into a USB outlet. Refills can last up to 30 days and need to be replaced. Instructions: Fill with water and add several drops of essential oil. Plug the USB power connection into the power outlet press on/off and you are ready to go. IN STORE PURCHASE ONLY
