Uxcell a11031400ux0308 LJ18A3-5-Z/BX NPN 3-wire Tubular Inductive Proximity Sensor Switch, 5 mm, DC 6-36V Product name: inductive Proximity switch; model: lj18a3-5-z/BX; wire Type: 3 wire Type (black, Brown, Blue); switch appearance Type: cylinder Type Theory: inductive sensor; output Type: NPN no(normal open); diameter of column sensor: 18mm; detecting distance: 5mm Supply Voltage: DC 6-36v; current output: 300mA; response frequency: 100Hz; detect object: iron Operating temperature: -25c to +55c; Size: 6. 2 x 3cm/2. 4" x 1. 18"(L*max. Dia); cable Length: 1. 1M/43" (approx); external material: plastic, metal Net weight: 81G; color: Silver Tone, Yellow, gray; package content: 1 x inductive Proximity switch