NI12U-GT18-RDZ30X2-B3331, Turck Sensor; nonembeddable; 12mm Range; Uprox; 18mm full threading teflon coated metal barrel, chrome plated brass; normally closed (N.C.) 2-wire AC/DC, 20-250 VAC, 10-300 VDC, 2 LEDs; 3-pin microfast, 1/2 in-20UNF, metal, male