Candle Botany Essential oil burners are stylish and designed to last the full length of a 10-hour tea light candle. Fill with water and add up to 10 drops of any Botany 100% pure essential oil or essential oil blend. Tealight candles are not included. Never leave a lit oil burner unattended.  Keep out of reach of children and flammable materials. Clean candle-lit vaporizers regularly. Electric Fill with water and add up to 10 drops of any Botany 100% pure essential oil or essential oil blend. Turn on the power to operate To avoid damage to the ceramic never leave the burner on to dry out.  Top up water regularly.  Keep out of reach of children.