Brand: AutomationDirect Item: Photoelectric sensor Connection: 4-pin M12 quick-disconnect IP Rating: IP69K Includes: Mounting hardware Housing Material: 316L stainless steel Housing Size: 18mm diameter x 82.5mm body Operating Voltage: 10-30 VDC Additional Information: Purchase cable separately Shape: Tubular Operation Mode: Complementary light-on/dark-on Application: Harsh duty, food and beverage and long range Sensing Method: Through-beam receiver Number of Wires: 4 Switching Output: NPN Sensing Distance: 20m Switching Frequency: 250 Hz Barrel Type: Threaded AutomationDirect photoelectric sensor, tubular, threaded, 316L stainless steel housing, through-beam receiver, 20m sensing distance, 10-30 VDC operating voltage, complementary light-on/dark-on, NPN, 4-wire, 4-pin M12 quick-disconnect.