The CD5-30A from Optex AOC is a Laser Displacement Sensor with Measure/Sensing Distance 30 mm ±5 mm (Diffuse), 26.1 mm ±2.5 mm (Specular), 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 1 mW. More details for CD5-30A can be seen below.