ITEM NAME:2Pcs NO+NC LJ18A3-8-Z/CY Inductive Proximity Sensor Switch PNP DC6V-36V M4X4 2Pcs NO+NC LJ18A3-8-Z/CY Inductive Proximity Sensor Switch PNP DC6V-36V M4X4 It is a component widely used in automatic control industry for detecting, controlling, and noncontact switching When proximity switch is close to some target object, it will send out control signal. Product Name Inductive Proximity Switch Model LJ18A3-8-Z/CY Theory Inductive Sensor Wire Type 4 Wire Type Output Type PNP NO+NC(Normally Open+Close) Detecting Distance 8mm Material: ABS Supply Voltage 6-36VDC Detect Object Iron Diameter 18mm Cable Length 1M/3.3Ft Cylindrical Proximity Switch color: sliver&glay&yellow Package Contents: 2x switch Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.