Ford Billboard Signal it reflects infrared the light

it reflects infrared the light into an integrated sensor

2) the spacing of the tracks from each other

mount it within ~1" from the edge of the rail Use a 1/4" drill hole

For N scale

Ford Billboard Signal it reflects infrared the lightDwarvin's fiber lit Billboards will add to your overall lighting by accentuating a rooftop, a highway or other parts of your layout. Each one comes preinstalled with 9ft of 1mm fiber (3ft for each light) that is so easy to install. Drill 3 holes using the template provided and insert the fiber into one of your Lamplighter boxes. It couldn't be easier! It's the same simplicity you have come to expect with the Dwarvin lighting system. Currently, we