The CDX-85A from Optex AOC is a Laser Displacement Sensor with Measure/Sensing Distance 85 mm (Diffuse), 81.5 mm (Specular), Wavelength 655 nm, Sampling Rate 12.5 µs, 25 µs, 50 µs, 100 µs, 200 µs, 500 µs, 1 ms, Auto, Resolution 0.25 µm, Supply Voltage 12 to 24 VDC. More details for CDX-85A can be seen below.