The product is a Bachmann 31-865 J39 64838 BR Black Late Crest Stepped 4200 Gal Tender, modelled in 1:76 scale for OO gauge railways. This collectable steam locomotive features a black colour scheme, making it a realistic addition to any model railway layout. Additionally, the locomotive comes with a decoder, enhancing its functionality and realism for enthusiasts who enjoy running their trains with digital control systems. RUNS WELL BOTH WAYS DECODER INSTALLED AND FIREMAN BOXED