The LK-G82 from Keyence Deutschland is a Laser Displacement Sensor with Measure/Sensing Distance 80 mm ±15 mm (Diffuse), 75.2 mm ±14 mm (Specular), Wavelength 655 nm, Sampling Rate 20 µs, 50 µs, 100 µs, 200 µs, 500 µs, 1000 µs, Repeatability 0.2 µm, Laser Power 0.95 mW. More details for LK-G82 can be seen below.