Inductive sensor NBB20-U1-A2-Y70103633, Switching function, Inductive Sensors, Sensor head bidirectional and rotatable, 20 mm flush, 4-wire DC, 4 LEDs indicator for 360?°„ visibility, Metric cable gland M20 x 1.5, Power and output LEDs, With increased sealing, protection classIP68 / IP69K