The Gaugemaster Prodigy advance DCC01 DCC Digital Control System is a ready-to-go, pre-built digital controller designed for model railways and trains. This black controller, manufactured in the United Kingdom by Gaugemaster, is compatible with DCC control systems and operates on an AC power type with a voltage range of 10 - 20V. It is made of plastic and features various control options for model railways in the OO gauge scale. This digital controller is a must-have for collectors and enthusiasts looking to enhance their model railway experience with advanced control features.