Model: The locomotive has a built-in digital decoder and sound generator for operation with DCC, Selectrix, and Selectrix 2. The motor has a flywheel. 4 axles powered. Traction tires. The headlights and marker lights change over with the direction of travel. Warm white LEDs are used for the headlights. The locomotive has cab lighting that can be controlled in digital operation. It also has a close coupler mechanism. The locomotive has separately applied grab irons. Length over the buffers 102 mm / 4".