Honeywell Magnetic Value-added Hall-effect Sensor: 103SR Series, Unipolar Hall-effect Digital Position Sensors, 4.5 to 24 Vdc supply voltage, Sealed, 15/32-32 UNS-2A cylindrical aluminum threaded housing, Digital sinking output, Two hex nuts, 419,1 mm [16.5 in] 24 gauge stranded lead wires stranded with irradiated polyethylene insulation.