Electric Aroma Diffuser – Air Freshener Diffuser fragrance oil burner for Home, Shop & Office with LemonGrass & Lavender Essential oil. It comes fitted with all electric accessories like bulb and is ready for use. Directions to use: Pour 1-2 teaspoons of any of the three oils on the top bowl surface of ceramic burner and switch on the electric current. After few minutes, oil becomes heated and starts diffusing.