PROXIMITY SENSORS ULTRASONIC SENSOR, DIFFUSE REFLECTIVE, M18 PBT HOUSING, CABLE CONNECTOR, SN 250-3500MM, ANALOGUE OUTPUT 4-20MA+ NPN, SUPPLY VOLTAGE 12-30VDC, OPERATING TEMPERATURE -20-70C, RESPONSE TIME<250MS, SWITCHING FREQUENCY 2HZ, IP67, TEACH-IN