NI20-M30-AD4X-H1141-S1760, Turck Sensor; nonembeddable; 20mm Range; 30 mm metal barrel; partial threaded, chrome plated brass; normally open 2-wire DC, 10-65 VDC, polarity protected, 1 LED; Eurofast 4-Pin QD Connector S1760 special option; (T4466195)