The BOD000M | BOD 21M-LA02-S92 from Balluff GmbH is a Laser Displacement Sensor with Measure/Sensing Distance 20 to 200 mm, Wavelength 650 nm, Response Time 300 ms (Ready), 7 ms (OFF, ON), Resolution 100 to 200 µm, Supply Voltage 18 to 30 VDC. More details for BOD000M | BOD 21M-LA02-S92 can be seen below.