Baumer Capacitive Barrel-Style Proximity Sensor, M18 x 1, 8 mm Detection, PNP Output, 10 → 30 V dc, IP65

M18 cylindrical capacitive sensor.
M12 connector output (4 contacts).
Continuous supply voltage.
Used to detect materials such as wood, PVC, ice and ferrous and non-ferrous metals.
Protected against reverse polarity.