800-5401 AR-2 Automatic Reverse Circuit with Adjustable Delay 1-3-Scale This is a scale model

This is a scale model replica of the M3A1 Scout Car

Different light and sound functions

engineering and timeless design

complete with a wonderfully detailed 4

800-5401 AR-2 Automatic Reverse Circuit with Adjustable Delay 1-3-Scale This is a scale modelBD 2 Block Occupancy Detector Current Sensing Details: The CIRCUITRON BD 2 is a highly sensitive integrated circuit block occupancy detector designed for reliable operation across virtually all model railway scales and track power systems, including most forms of command control. It detects the presence of locomotives and lighted rolling stock by monitoring current draw through the rails, providing accurate and responsive block occupancy indication.