Circuitron 800-5401 AR-2 Automatic Reverse - With Adjustable Delay Trucks - Caboose typically when a train enters

typically when a train enters or leaves a classification yard

plus individual trees

Woodland Scenics A2726 O Scale Figures - Tombstones

Motor rating 1

Circuitron 800-5401 AR-2 Automatic Reverse - With Adjustable Delay Trucks - Caboose typically when a train entersCircuitron 800 5401 AR 2 Automatic Reverse With Adjustable Delay Circuitron Electronics for Model Railroads Same as AR 1, but with adjustable delay to hold train at sensor before reversing. Adjustable delay from one second to over one minute. Can be connected to pushbutton or DT 4 to permit stops and delays without reversing. Requires 12 18V DC power supply. Constructed on 3 x 3" printed circuit board.