Product Name Inductive Proximity Switch Model LJ30A3-15-Z/BX-5V Theory Inductive Sensor Wire Type 3 Wire Type Switch Appearance Type Cylinder Type, Metal Shell Output Type NO NPN Detecting Distance 15mm+10% Supply Voltage 5V DC Output Current 300 mA Detect Object Iron Column Sensor Diameter 30mm Total Size 70 x 42mm(L*Max.D) Threaded Diameter 30mm Cable Length 1.2m External Material Plastic, Metal