IFM electronic IE5339 Inductive sensor; M8 x 1 / L = 50 mm; Sensing range 0.2 mm non-flush mountable; normally open; DC; PNP; M8 Connector; IP 65; IP 67; (with ifm socket duly screwed on); 3-wire; Ambient temperature 0...80 °C; Switching frequency 300 Hz