Circuitron 800-5501 BD-1 Optical Detector Decoder - Hardwire 1 "L" - Bend Wall

1 "L" - Bend Wall Vent

This Italian

3 Stock Motorcycle w/ Saddle Bags

The NCE Deluxe Radio Equipped Pro Cab provides the most user-friendly access to all system features

Circuitron 800-5501 BD-1 Optical Detector Decoder - Hardwire 1 "L" - Bend WallCircuitron 800 5501 BD 1 Optical Detector Tiny Opto Sensors detect train movement. Sensors mount between the rails and activate circuitry when shaded from a passing train. Independent of track power, rolling stock requires no modifications. Sensors fit between ties and may be ballasted over in most cases. Circuitry is extremely sensitive and will operate properly under very low levels of room light. Positive indication whenever a section of a layout