The Digitrax DH187MT is a HO scale Series 7 (Premium) mobile DCC decoder — 1.0A continuous / 2A peak motor control, 8 function outputs, FX7 lighting effects engine.21-pin MTC plug — more pins than 8-pin NEM652 means more function outputs available directly through the socket without breaking out extra wires. Standard on European HO.Fitment: HO locomotives equipped with the 21-pin NEM660 MTC DCC interface — common on modern European HO (Märklin, Roco, Trix) and many Bachmann / Walthers HO diesels. Plug: 21-pin NEM660 MTC (Märklin/Trix Connector) socket.Standard Digitrax features: 14 / 28 / 128 speed steps, advanced consisting, 4-digit addressing, BEMF, FX7 lighting, transponder ready, fully NMRA DCC compliant. Scale: HO Series: 7 (Premium) Motor current: 1.0A continuous / 2A peak Function outputs: 8 × FX7 Plug / interface: 21-pin NEM660 MTC (Märklin/Trix Connector) socket Standard: NMRA DCC + LocoNet transponding ready SKU: DH187MT In stock at Oakville Model Trains Depot.