The KATO N Scale UP EMD E9A/E9B, #957A/957B, Both Units with ESU LokSound is a pre-built model replica of EMD E9A/E9B Diesel Locomotives in a scale of 1:160. It features a digital control system with DCC and sound functions, suitable for model railroads with a two-rail system. The locomotives are in vintage Union Pacific color scheme of yellow and gray, perfect for transportation-themed layouts. With a grade of C-8 Like New, these units are ready to go for enthusiasts looking to add realistic detail to their collection.