The LK-G10 from Keyence Deutschland is a Laser Displacement Sensor with Measure/Sensing Distance 10 mm ±1 mm, Wavelength 655 nm, Sampling Rate 20 µs, 50 µs, 100 µs, 200 µs, 500 µs, 1000 µs, Repeatability 0.02 µm, Laser Power 0.3 mW. More details for LK-G10 can be seen below.