The LAS-TB-40 from WayCon Positionsmesstechnik is a Laser Displacement Sensor with Measure/Sensing Distance 60 to 100 mm, Wavelength 650 nm, Response Time <2 ms, Resolution 15 to 38 µm, Supply Voltage 12 to 28 VDC. More details for LAS-TB-40 can be seen below.