Retroreflective sensor for glass detection, small design, 5.6 m detection range, red light, light/dark on, PNP output, weak signal output, external Teach-In, M12 plug, Series of sensors in a widely used standard housing, Reliable recognition of reflective objects and clear glass, TEACH-IN switch for setting the contrast detection levels, Automatic adjustment in case of soiling in contrast detection mode, High level of stability thanks to the metal housing frame