This device is designed to measure the scale speed of locomotives or train cars that past by it. Light sensors mounted discretely between the ties are used to record the speed of anything passing over them and then the device calculates and displays the corresponding scale speed on the display.

The Trainspeed1 includes everything necessary to monitor train speeds at 1 point on your layout.

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The display on this unit measures (WxHxD) 1.19"x 0.5" x 0.28" (30.2mm x 12.9mm x 7.1mm)

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The Trainspeed4 includes everything necessary to monitor train speeds at 4 different locations on your layout.

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The display on this unit measures (WxHxD) 1.6"x 0.5" x 0.28" (40.7mm x 12.9mm x 7.1mm)