If the photograph is clicked, it grows.

Sensor Head LC-2450 Measuring range:±8mm Operating distance:50mm resolution 0.5um Light source:Visible red semiconductor laser Offset value range +-7.9995mm Max. output range +-16.3830 mm Laser Diode Wavelength:670nm Maximum output:1.9mW Pulse duration:10μs Class:2 Minimum spot:30*20μm Resolution:0.02μm Sampling:50kHz Response:20kHz SN:623355 Need Input module LC-01 same Serial number