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Triple Beam Alarm Photoelectric Beam Sensor Detector System Outdoor Weatherpr...

Triple Beam Alarm Photoelectric Beam Sensor Detector System Outdoor Weatherpr...

$92.20
  • Condition: New
  • Ships from: Knoxville, US
  • Seller: shopping.thous-17 (99% positive)
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About this item

✪LENS OPTICAL SYSTEM: Ternary coaxial large-aperture aspherical biofocusing precision optical focusing lens. Principle: This is an alarm three-beam photoelectric detector. Install them in opposite positions.

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