Proximity Sensors (Inductive, Tubular Style): Type - Ultrasonic Sensor; Sensing Range - 300mm (11.81"); Voltage Range - 10-30V DC; Connection Type - Cable; Connection Size - 9m (30 ft); Construction - Tubular, Threaded; Diameter - 18 mm; Sensing Position - End; Material - Body - Thermoplastic Polyester; Enclosure Rating NEMA - NEMA 6P; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 60degC (-4 to 140degF); Response Time - 5 ms; Sensing Range Minimum - 30mm (1.18")