Oriental Garden Electric Oil Diffuser This beautiful electric oil diffuser also has a dimmer switch! You select the lighting. Made from natural pine wood, this ornate oil diffuser adds elegance to any decor! Simply fill the glass bowl on top with water. Add 1-2 capfuls of Scentastics' oil and turn the light on to whatever setting you like (low-high). Within minutes you will start to smell the aroma and it will gently light the area and add great ambience to any room!