Azbil FL7M DC 2-Wire Cylindrical Long-Distance No-Polarity Proximity Switch offers a sensing distance 4 mm to 15 mm depending on the size. Available in sizes (O.D.) M12, M18, and M30. Cable length 2 m. Preleaded 30 mm oil resistance flexible connector cables available in size (O.D.) M12, M18, and M30. Quick Lock 30 cm oil resistant connector cables available in sizes (O.D.) M12, M18, and M30. Waterproof, sealed to IP67G.