The Trainz SKU for this item is P12300441

The realistic concrete color and surface can be used with Cornerstone Street System sets (each sold separately)

and accessories on any scale layout

- Adjustable volume (controlled by remote only)

Trainz Product Id: 12157797

Z-Stuff DZ-1040U O Scale Upper Quadrant Semaphore Signal ProductID_11980210 The Trainz SKU for thisWith metal poles and ladders, these scale signals will look great along your right of way. The 3 position flag has a realistic slow motion. The base has optical sensors built in with a sensitivity adjustment. Just apply power and put them next to the track. These signals do the rest. They have separate inputs and outputs so they can be daisy chained. The down track signal will hold the up track signal on yellow until the down track signal goes off