Circuitron 800-5203 DT-3 Single-Direction Grade Crossing Detection Unit Wheel Cleaning One bottle covers an area

One bottle covers an area 17" (43

Bowser 40198 HO Scale 33" Metal Wheels

3 Small fence piece

28-function support

Circuitron 800-5203 DT-3 Single-Direction Grade Crossing Detection Unit Wheel Cleaning One bottle covers an areaCircuitron 800 5203 DT 3 Single Direction Grade Crossing Detection Unit The Circuitron DT 3 Single Direction Grade Crossing Detection Circuit utilizes our proven Opto Electronic Detection and will provide accurate grade crossing action for a single locomotive or a 100 car train. There are absolutely no modifications to rolling stock necessary. The DT 3 is completely independent of the track power and is compatible with AC or DC track power as well as