Square D™ Virtu™ Ultrasonic Sensor, Ultrasonic Sensing Method, 50.8 to 508 mm Sensing, 5 deg Beam, 15 min Response, PNP Output, 12 to 24 VDC, 40 mA, 300 kHz Frequency, Male Connection, 1.72 in L x 0.7 in W x 2.35 in H Size, NEMA 4X/IP67 Enclosure, -22 to 158 deg F Operating,