Model: The locomotive has a 14-pin digital connector, close coupler mechanisms, and a motor with 2 flywheels. 4 axles powered. Traction tires. The headlights and the marker lights change over with the direction of travel, can be turned off with bridge plugs, and the headlights are warm white LEDs. Engineer's cab lighting and long-distance headlights are installed in the locomotive and can be activated with the 66840 decoder. The outer pantographs can pick up power from catenary. Length over the buffers 122 mm / 4-13/16".