Leuze-PRK-46B-Retroreflective-Photoelectric-Sensor-Polarisation-Filter-Leuze-Electronic-50103070-This-photoelectric-sensor-has-a-long-operating-range-&-high-performance-reserves-for-reliable-object-detection-even-with-small-unclean-or-misaligned-reflectors-A-polarisation-filter-makes-it-easy-to-detect-glossy-surfaces-&-Asup 2-LS-Active-Ambient-Light-Suppression-improves-performance-by-eliminating-light-interference-Swift-&-easy-alignment-is-possible-using-b-i-bright Vision-i-b-