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Dahua Airshield Wireless Optical Smoke Detector

Dahua Airshield Wireless Optical Smoke Detector

DHA-HY-SA21A-W2(868)

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Key Features

  • Split-spectrum sensor technology
  • Test and silence features in one single button
  • Loud sound output over 85 dB(A) at 3 meters
  • Low quiescent current consumption
  • Surface-mount device (SMD) circuit board design
  • Low battery warning signal

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  • Fast UK Delivery
  • UK Based Support
  • Secure Checkout
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Why Buy From Intelligent CCTV?

  • Customer Service Focus

    Dedicated to installers. Quick responses, expert guidance, and dependable support on every order.

  • 20+ Years Experience

    Two decades of industry know-how, helping installers get the job done right every time.

  • Knowledge That Connects

    We don’t just sell cameras - our cable expertise ensures every system performs reliably, end to end.

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Ready to order or planning a project? Ask us for a quote today - fast turnaround, trade-friendly pricing, and real product know-how to back it up.

01684 299 223

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