The LTS 300-200 | 8000-6478 from Vitrek is a Laser Displacement Sensor with Measure/Sensing Distance 200 mm, Wavelength 670 nm, Resolution 3.815 µm, Supply Voltage 15 to 28 VDC, Laser Power <5 mW. More details for LTS 300-200 | 8000-6478 can be seen below.