• Ceiling Mount Dual Motion Sensor

Incorporating advanced mirror optics technology, the Aritech DD669-U Ceiling Mount Dual Motion Sensor uses a unique step and gliding focus feature to create a continuous curtain that ensures sensors never lose track of objects. The DD669-U features 18 curtains for maximum detection capability, including under crawl detection, throughout a protected area up to 65' in diameter.


  • Dual Technology Motion Sensor (PIR and Microwave)
  • "Step and Gliding Focus Multi-Curtain" Mirror
  • Range Controlled Radar on 5.8 GHz
  • Plug-in Electronics
  • Sealed Optics
  • Selectable Coverage Pattern Using Mirror Masks
  • 4D Processing for False Alarm Immunity
  • Additional Bi-curtain Processing for Harsh Environments
  • No Adjustment Required for Different Mounting Heights
  • UL/ULC Listed

Technical Specifications:

  • Detection Range: 65 ft.
  • Undercrawl Protection: Yes
  • Microwave Frequency: 5.8 GHz
  • Coverage Field of View: 360 degrees with 18 curtains
  • Coverage Pattern Selection: Curtain labels
  • Mounting Height: 8.2 to 16.4 ft.
  • Power Supply: 12 VDC Nominal
  • Current Consumption (nom.): 12 mA
  • Alarm Memory: Yes
  • Range Diameter (Selectable): 65 ft./40 ft.
  • Dimensions (oxD): 5.4 x 3.6 in. (138 x 92mm)
  • Ambient Conditions: 14 to 130 degreesF, 95% relative humidity
  • Pry-off Tamper: ST400 (optional)
  • Standards: UL, ULC

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Ceiling Mount Dual Motion Sensor

  • Product Code: UTC:DD669-U

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Tags: security, hardwired, motions (in/out)