How to Use: 1. Add 15 to 20 drops of natural essential oil alongside the opening of the glass sphere and close lid. Tap finger tip on the brass surface to turn on with four settings controlled by the touch surface. Tap four times to turn off. 2. Keep on for 10-15 minutes for an aroma that can last 2-3 hours. Best for indoor use. Ideal space is 216-360sq/ft. 3. Auto-shutoff feature after 2 hours. 4. Voltage Range: 100-240V Current: 200mA Watts: 2.4W 5. Recommended to clean once a week – Use dripper to drop a moderate amount of alcohol into the glass sphere and shake gently. As alcohol and oil residue are blended, pour out and repeat.