Model: The locomotive has an mfx+ digital decoder and extensive sound functions. It also has controlled high-efficiency propulsion with a flywheel, centrally mounted. Two axles in each truck powered. Traction tires. Triple headlights and a white marker light (Swiss headlight / marker light changeover) change over with the direction of travel, will work in conventional operation, and can be controlled digitally. Additional separately controlled light functions: switching to a red marker light, switching to two red marker lights, switching to a warning light, locomotive running authorization light, and switching movements light. The cab and engine room lights can be controlled separately in digital operation. Maintenance-free warm white and red LEDs are used for lighting. The locomotive has many separately applied details such as metal grab irons. It also has a close coupler mechanism. Length over the buffers 21 cm / 8-1/4".Prototype: SBB Historic class Ae 6/6 electric locomotive as a museum locomotive. Cantonal coat-of-arms for Graubünden/Grischun. Road number 11421. Fir green basic paint scheme. The locomotive looks as it currently does in 2022.