The LAV-50-420-IO from WayCon Positionsmesstechnik is a Laser Displacement Sensor with Measure/Sensing Distance 0.2 to 50 m, Wavelength 660 nm, Response Time 10 ms, Repeatability 5000 µm, Supply Voltage 10 to 30 VDC. More details for LAV-50-420-IO can be seen below.