E57 Premium+ Series Tubular Inductive Proximity Sensor Enclosure, 0.71 dia, dist. 8 mm, NO PNP Open Collector, 500 mA at 6-30Vdc, 23 Ft. (7m) Cable, 6–48 Vdc input, <3% accuracy, Short circuit protected, Un-shielded, 23 Ft. (7m)