Baumer URDK 20P6914/S35A Ultrasonic Retroreflective Sensor, 12-30VDC, 0-200mm Scanning Range Sd, Teach-in, PNP, NO, M8 Connector, 42 x 20 x15mm HWD Rectangular Shape, Polyester Housing, -10 to +60°C, IP67 $779.00 Select