This American Flyer Lines Model 8B A.C. Gilbert Co. 100 Watt Transformer has been tested and is ready for use. Its power type is AC and it comes pre-built in black steel material. The analog control system allows for easy adjustments, while the vintage design adds a touch of nostalgia. Measuring 5.25 inches in length, 4.5 inches in height, and 3.5 inches in width, this transformer is compact yet powerful. Its features include a light function and it operates on 120V voltage. Perfect for model railroads and trains enthusiasts, this transformer is a great addition to any collection. Red bulb cover shattered see pic.