Model: The locomotive has a built-in digital decoder for DCC, Selectrix, and conventional operation. The locomotive has a motor with a flywheel. 4 axles powered. Traction tires. The locomotive has triple headlights and dual red marker lights that change over with the direction of travel and that can be controlled digitally. The locomotive also has cab lighting. Length over the buffers 89 mm / 3-1/2".