The MRC 0001819 is a G scale (large scale) DCC sound and control decoder for steam locomotives. It combines full motor control with synchronised steam sound, including a choice of chuff types so you can match the decoder to the locomotive you are modelling.Key Features Combined DCC sound and motor control decoder Multiple selectable chuff types for different steam prototypes Whistle, bell and steam sound effects Universal wired installation for large scale steam locomotives Compatible with any NMRA-compliant DCC system Specifications Scale: G (large scale) — not suitable for HO or N locomotives Type: Sound & control decoder, universal wired Brand: MRC (Model Rectifier Corporation) Item / SKU: 0001819 (Walthers 500-1819) Please note: this is a large scale decoder. For HO steam locomotives, see our SoundTraxx Tsunami2 and Digitrax SoundFX ranges.