Schneider Electric OsiSense® Ultrasonic Sensor, Autoslope Dual Mount Flat, Series: Virtue VM1, Adjustable Sensing Method, 20 in Sensing Distance, 2 to 20 in Measuring, Analog Output, 12 to 24 VDC, 40 mA, 300 Hz Frequency Response, Cable Connection, 1.72 x 0.7 x 2.35 in Size, NEMA 4X/IP67 Enclosure, -22 to 158 deg F, PBT Resin