DAWEI LJ18A3‑5‑Z/AX inductive proximity sensor, M18 shielded flush‑mount type, 3‑wire DC6‑36V, NPN Normally‑Closed output, sensing distance 5mm, IP67, nickel‑plated brass housing, LED status indicator, 2m PVC cable. Output turns OFF when metal target approaches, for position‑monitoring, safety‑gate detection, compatible with NPN‑type PLC input.