The signal aspects change from Sh0 (red/red) to Sh1 (yellow/yellow)

This is a Gargraves 215-RC Right hand O-42 Remote Control Switch with all Stainless Steel rails

PC interface

This is Bachmann 60304 HO Santa Fe EMD GP40 Diesel Locomotive w/DCC #3508

American Model Builders 727 Laser Art Wood Truss Auto Bridge HO Scale Kit ProductID_11475987 The signal aspects change fromThis is a American Model Builders 727 HO Scale Wood Truss Auto Bridge Laser Cut Wood Kit 9 1 2 x 3 x 2 24. 1 x 7. 6 x 5. 1cm Long. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: American Model Builders Model Number: 727 MSRP: $38. 95 Scale Era: HO Scale Model Type: Accessories The Trainz SKU for this item is P12003259. Trainz Product Id: 12003259