LGB E278188 Pulsed Smoke Unit.
As supplied as factory fitted to the LGB range of Steam models, also available as a spare part.
No documentation available, common sense and diligent approach used to figure out how to connect and operate from the LGB 55029 Retrofit Decoder.
This is a heavy weight beast in terms of Amps! Connection via either AUX 5 or AUX 6 which each can handle 1.75 Amps, or used together up to a max of 3.5 Amps.