SoundTraxx 885815 8-Function Sound and Control DCC Decoder with CurrentKeeper Plug - Tsunami2 -- Alco Sounds RECSES_2025-5-9_CUR_554 They and the smoke unit

They and the smoke unit contact will work in conventional operation and can be controlled digitally

You just need to install an ESU smoke unit (from Class 215) into your locomotive that allows to generate synchronised steam chuffs or Diesel smoke

Factory-installed LED interior lighting included

Model: The railroad car has ladders at the ends and operating platforms

SoundTraxx 885815 8-Function Sound and Control DCC Decoder with CurrentKeeper Plug - Tsunami2 -- Alco Sounds RECSES_2025-5-9_CUR_554 They and the smoke unitThis SoundTraxx TSU PNP8 Tsunami2 Digital Sound and Control Decoder is a universal, eight function factory board replacement sound decoder suitable for use in many manufacturer's models such as those made by Atlas, Athearn, and InterMountain Models. It is suitable for a wide variety of models from HO to S scale. The TSU PNP8 includes a connector to easily add a CurrentKeeper 678 810140 to maintain performance over dirty track and switches. Tsunami2