Model: The locomotive has a digital decoder and extensive sound and light functions. It also has controlled high-efficiency propulsion with a flywheel. Both axles in the external truck of Vehicle Part 1 are powered. Traction tires. The unit has a Swiss headlight / marker light code of triple headlights and one white marker light, which change over with the direction of travel, will work in conventional operation, and can be controlled digitally. The light code can be switched to a red marker light. There is also a red running authorization light (oncoming light) in the direction of travel respectively. It can be controlled digitally and it changes over with the direction of travel. The model has factory-installed interior lighting, which will work in conventional operation and can be controlled digitally. The cab lighting can also be controlled digitally. The table lamps can be controlled digitally. Maintenance-free, warm white and red LEDs are used for the lighting. Four external truck frames are included to replace the current frames for use on large radius curves or displays. Length over the buffers approximately 53 cm / 20-7/8".

Prototype: Swiss Federal Railways (SBB) class RAe 4/8 "Churchill Arrow" electric double powered rail car. Used as a charter train for excursion and business runs. Fire red basic paint scheme. Powered rail car road number RAe 4/8 1021. The unit looks as it currently does in real life.

The Double Red Arrow was used 75 years ago in 1946 to transport Winston Churchill as a state guest through Switzerland, which thereby gave the Double Arrow the nickname "Churchill Arrow".

This model can be found in an AC version in the Märklin H0 assortment under item number 39260.

Completely new tooling.Factory-installed interior lighting. Can be switched to a red marker light.Cab lighting can be controlled digitally.Table lamps can be controlled digitally.Running authorization lights can be controlled digitally.Digital decoder with a variety of light and sound functions.