The Hallmark Models Minneapolis & St. Louis SD-7 HO Brass Diesel Locomotive is a vintage replica of a M&St.L locomotive made of brass. It features **custom painted & custom decaled** details and working lights, adding to its realism. This model operates on DC power and is in a 1:87 scale, making it a great addition to any HO gauge model railroad collection. With its attention to detail and quality construction, this Hallmark Models locomotive offers a realistic and immersive experience for model train enthusiasts.