Leuze-Electronic-PRKL-25B-Laser-Retroreflective-Photoelectric-Sensor-Pol-Filt-Leuze-Electronic-50104231-A-polarised-retroreflective-photoelectric-sensor-that-has-a-visible-red-laser-light-giving-the-sensor-the-ability-to-reliably-detect-small-parts-&-objects-even-at-long-ranges-The-optimum-light-beam-propagation-with-its-tightly-focused-light-beam-is-ideal-for-positioning-&-counting-applications-The-near-15m-operating-range-is-adjustable-via-a-potentiometer-on-the-sensor-body-Addit