Product Name Inductive Proximity Switch Model NJK-5002D Theory Hall Sensor Wire Type 3 Wire Type (Brown,Black,Blue) Switch Appearance Type Cylinder Type, Metal Shell Output Type NC NPN Detecting Distance 10mm+10% Supply Voltage 6-36VDC Output Current 300 mA Detect Object Magnet Column Sensor Diameter 12mm Total Size 25 x 21mm (L*Max.D) Threaded Diameter 12mm Cable Length 1.2m/47 External Material ABS, Metal If you need this kind of appearance, please let me know.