Side-on IR Detector Unit (Pack of 2) (DVFLDTIRS) blocksignal See the video on how

See the video on how to do this

There are 3 Lights per pack

2 for the infrared sensors)

We recommend placing it about 1/2" above the top of a door

Side-on IR Detector Unit (Pack of 2) (DVFLDTIRS) blocksignal See the video on howThis detector makes detection of locomotives or rolling stock easy and reliable. Just place the sensor where its invisible light beam will reflect off the object of interest and you're done no time consuming or frustrating adjustments! Based on modern silicon technology, this reflective infrared proximity sensor is tolerant of ambient (background) lighting conditions, be it completely dark or under full lights, with no false triggering. Combined with