Telemecanique OsiSense® XT Proximity Sensor, Block Cylindrical Fixed, Series: XT2 Series, Capacitive/Ultrasonic Sensing Method, 0.59 in Sensing Distance, 0.31 to 0.59 in, Sensing Position: Front, <5 % Accuracy, DC PNP Output, 1NC-1NO, 12 to 24 VDC, 400 mA, 150 Hz, 4-Pin M12 Male Connector, 15 ms Response, 4-Wire Interface, 74.5 mm L x 36 mm A/F, IP67 Enclosure, 14 to 140 deg F, Threaded Mount, Plastic, Environmental Conditions: 30 gn Shock Resistance