Inductive Proximity Sensor, 18 mm Sensor Diameter, NO Pole Throw Configuration, 8 mm Detecting Distance, 20 to 250 V ac, 250 mA @ 250 V, 20 Hz, 3-Pin Micro AC Connector Connection, LED Indicator, Stainless Steel, -13 °F Operating Temperature, +158 °F Operating Temperature, 2.74 in Overall Length, 1 lb