The LTS 200-100 | 8000-6477 from Vitrek is a Laser Displacement Sensor with Measure/Sensing Distance 100 mm, Wavelength 670 nm, Resolution 1.907 µm, Supply Voltage 15 to 28 VDC, Laser Power <5 mW. More details for LTS 200-100 | 8000-6477 can be seen below.