Robust thru-beam sensor for standard applications, small design, 25 m detection range, red light, emission frequency F1, light/dark on, 2 PNP outputs, test input, M12 plug, Series of sensors in a widely used standard housing, TEACH-IN switch for setting the contrast detection levels, Automatic adjustment in case of soiling in contrast detection mode, Additional LED as alignment aid in receiver optics, High level of stability thanks to the metal housing frame