Here is an MTH 40-1000A Z-1000 Hobby Transformer Power Unit

Unit Measures:32 1/2 x 2 7/8 x 3 1/2

Model Number: 20-2830-1

Trainz Product Id: 11543795

The Trainz SKU for this item is P11412199

MRC AD332 N Decoders Advanced Consisting, 2 or 4 Digit Addressing,6 Function VariantsUnitPrice_number_48.91 Here is an MTH 40-1000AThis is an MRC AD332 N Scale Decoders Advanced Consisting, 2 or 4 Digit Addressing, 6 Function. Good for small, low current draw locomotives. Two or four digit addressing, six functions with MRC Light Effects, advanced consisting, (CV19), programming on the main and 14, 28 128 speed steps. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: MRC Model Number: AD332 MSRP: $34. 98 Scale Era: N Scale Model