The MTH 20-2339-1 Norfolk Southern GP38-2 with Proto 2/DCS is a ready-to-go pre-built model locomotive in black color, made of plastic and diecast materials. It is a 1:48 scale diesel locomotive with a digital control system, suitable for ages 17 years and up. This model features smoke unit, light function, MTH DCS, and sound function, making it a detailed and realistic addition to any model railroad collection. With its Norfolk Southern branding and three-rail system compatibility, this locomotive is a must-have for train enthusiasts.