IFM electronic IB5124 Inductive sensor; Ø 34 / L = 98 mm; Sensing range 20 mm non-flush mountable; normally open / normally closed; (selectable); DC; PNP/NPN; terminals: ...2,5 mm²; Cable sheath: Ø 7...13 mm; IP 65; 2-wire; Ambient temperature -25...80 °C