E57 Premium+ Series Tubular Inductive Proximity Sensor Enclosure, 1.18 dia, dist. 15 mm, NO NPN Open Collector, 500 mA at 6-30Vdc, 13.1 Ft. (4m) Cable, 6–48 Vdc input, <3% accuracy, Short circuit protected, Un-shielded, 13.71 Ft. (4m)