This is a Train Control Systems 1674 HO Scale EU821. This full featured BEMF, 8-function decoder is designed for HO-Scale locomotives equipped with a MTC21-pin connector. Included is our auto-adjusting BEMF for outstanding slow speed performance and hassle free set up. Also includes Quiet Drive for super quiet engine performance. NOTE: The EU821 is compatible with the MTC 21-Pin and NMRA 21-Pin Standards. Dimensions: .797 x .614 x .198 or 20.24mm x 15.58mm x 5mm. Manufacturer: Train Control Systems. Model Number: 1674. MSRP: 42.95. Availability: Ships in 4 to 10 Business Days. Trainz Product Id: 12271008.
no wiring diagram for led lighting, not in the factory directions or on company web site. this will be the last decoder company company I will purchase from. mike