The CD5-L25A from Optex AOC is a Laser Displacement Sensor with Measure/Sensing Distance 25 mm ±1 mm, Wavelength 655 nm, Sampling Rate 100 µs, 200 µs, 400 µs, 800 µs, 1, 600 µs, 3, 200 µs, AUTO, Supply Voltage 12 to 24 VDC, Laser Power 390 µW. More details for CD5-L25A can be seen below.