The SE8C decodes switch commands from a throttle or associated software so that the appropriate aspects are displayed on the signal heads

From Silver Series featuring blackened metal wheels

This is a Bachmann 48502 O Scale Bessemer & Lake Erie 70-Ton Ore Car #20070

This is a MTH 2091448 O Milwaukee Road CA-1 Woodside Caboose

Trainz Product Id: 11566325

Walthers 920-109008 HO St. Marys Railway West Gunderson 53' Well Car #210281 ProductID_11958032 The SE8C decodes switch commandsThis is a Walthers 920 109008 HO St. Marys Railway West Gunderson Rebuilt All Purpose 53' Well Car #210281. Features: Limited Edition One Time Run of These Roadnumbers!, Our First WalthersProto(R) Intermodal Car, Prototype Conversions in Service Mid 2000s to the Present, Carries Containers from 20 to 53', Etched Metal See Through Walkways, Heavy Diecast Body for Excellent Tracking Empty or Loaded, Authentic Body Weld Line Details, Factory Installed