Indoor Pet-Immunity PIR Detector LH-933B(II)

The LH-933B(II) is a dual‑sensor PIR detector designed for reliable
perimeter protection. It features pet‑immunity up to a specified weight to
reduce false alarms, and an adjustable pulse count setting for flexible
sensitivity control.

  • Dual Sensors
  • PIR
  • Pet-Immunity
  • Pulse Count
Dual PIR with Pet‑Immunity
Reduce false alarms from animals
Adjustable Pulse Count
Flexible sensitivity for each site

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