ITEM NAME:5Pcs NO LJ12A3-4-Z/BY Inductive Proximity Sensor Switch PNP DC6V-36V S9V6 5Pcs NO LJ12A3-4-Z/BY Inductive Proximity Sensor Switch PNP DC6V-36V S9V6 Product Name Inductive Proximity Switch Model LJ12A3-4-Z/BY Theory Inductive Sensor Wire Type 3 Wire Type (Brown, Blue, Black) Material: plastic/metal Output Type PNP NO(normally open) Detecting Distance 4mm Supply Voltage 6-36VDC Detect Object Iron Diameter 12mm Cable Length 1.2m Package Contents: 5x sensor detection 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..Output Type PNP NO(normally open). Theory Inductive Sensor. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Model LJ12A3-4-Z/BY.