Inductive sensors feature: Action Distance: 0.2-100mm Housing material: stainless steel, nickel-plated brass polarity reversal protection, short circuit protection LED display in the middle or the surrounding M8 or M12 connector or terminal connecting sensors with PVC, PUR or silicon cable Output 2-wire, 3-wire or 4-wire DC, AC, NAMUR and AS-I technology products include: surface-mount proximity switch UI (with limit switches form) surface-mounted switch (FP) screws slotted proximity switch proximity switch Ring type inductive proximity switches