The HL-G112-S-J from Panasonic Corporation is a Laser Displacement Sensor with Measure/Sensing Distance 120 mm ±60 mm, Wavelength 655 nm (Peak), Sampling Rate 200 µs, 500 µs, 1 ms, 2 ms, Resolution 8 µm, Supply Voltage 24 VDC. More details for HL-G112-S-J can be seen below.