TTSS5 Sensor Signal - 4 Aspect Outer Distant Code-83 These units were an outstanding

These units were an outstanding success

1:76 Scale model produced in finely detailed High Quality Diecast Metal

with a locking mechanism

it also has an 21MTC interface as per NEM 660

Measures 16

TTSS5 Sensor Signal - 4 Aspect Outer Distant Code-83 These units were an outstandingWith the use of the Sensor Signal developed by Train Tech you can easily add automatic signalling into your layout in seconds. The signals work by detecting a locomotive, or full train passing by it using a very small infrared sensor built in to the signal base. As soon as the locomotive has passed the sensor the signal changes to red and will stay red for about seven seconds to let the train clear the block. It then reverts back to green. If more