it works off the weight of the train and no wiring is necessary

Model Number: 5553

Trainz Product Id: 12107275

This air release tool includes a

This detailed model features a five-pole motor

Herpa 025283 HO Freightliner Tractor with Sleeper and Pull Bar ProductID_11960272 it works off the weightThis is a Herpa 025283 HO Freightliner Tractor with Sleeper and Pull Bar. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Herpa Model Number: 025283 MSRP: $15. 99 Scale Era: HO Scale Model Type: Vehicles The Trainz SKU for this item is P12046044. Trainz Product Id: 12046044