Model: The frame and body are constructed of die-cast metal. The locomotive has a built-in digital decoder and a sound generator for operation with DCC and Selectrix. The motor has a flywheel. 4 axles powered. Traction tires. The locomotive has warm white LED headlights and marker lights that change over with the direction of travel and that can be controlled in digital operation. The locomotive has cab lighting that can be controlled in digital operation. Length over the buffers 104 mm / 4-1/8".