Model: The locomotive has a built-in digital decoder and sound generator for operation with DCC, Selectrix, and Selectrix 2. It also has a motor with 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. The locomotive has a close coupler mechanism. It also has separately applied grab irons. Length over the buffers 102 mm / 4".