TTSS2T Sensor Signal (Theatre Indicator) 2 Aspect Distant Class-450 2 x 80mm lengths of

2 x 80mm lengths of window sill strips

with convenient handles also supplied

X 6 figures

such as deserts

TTSS2T Sensor Signal (Theatre Indicator) 2 Aspect Distant Class-450 2 x 80mm lengths ofWith 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 yellow and will stay yellow for about seven seconds to let the train clear the block. It then reverts back to green. If