Model: The locomotive has a built-in digital decoder and a sound generator for operation with DCC, Selectrix, and Selectrix 2. It has a motor with a flywheel. 4 axles powered. Traction tires. The triple headlights and dual red marker lights change over with the direction of travel and can be turned off. The locomotive also has separately applied grab irons. Length over the buffers 75 mm / 2-15/16".