Features: Proximity switch is a position sensor with switch output that can be connected with microcomputer It also can drive directly from, electromagnetic relays, counters and contactor to achieve automatic control purposes It is a component widely used in automatic control industry for detecting, controlling, and non-contact switching. When proximity switch is close to some target object, it will send out control signal. It's widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial etc. Specification: Product name: Proximity Sensor Switch Shell material : metalWeight: Approx.47g/1.7ozModel(Optional)DiameterDistancePower supplyOut wayLJ12A3-4-Z/AXM124MMDC6-36V3 wire NPN NCLJ12A3-4-Z/BYM124MMDC6-36V3 wire NPN NOLJ12A3-4-Z/AYM124MMDC6-36V3 wire NPN NCLJ12A3-4-Z/EXM124MMDC6-36V2 wire NOLJ12A3-4-Z/DXM124MMDC6-36V2 wire NCLJ12A3-4-J/EZM124MMAC90-250V2 wire NOLJ12A3-4-J/DZM124MMAC90-250V2 wire NCPackage list: 1 x Proximity Sensor Switch .