TTSS4 Sensor Signal 3 Aspect Distant Brand_UGEARS with their bags packed

with their bags packed

It deadens sound

5mm Width: 44mm

4 outputs for controlling servos or logic level outputs are added

sharper-pointed blades - without losing any of the superb cutting edge - than Item 74001

TTSS4 Sensor Signal 3 Aspect Distant Brand_UGEARS with their bags packedWith 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