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Dahua DH-ARD2251E-W2, Wireless External Triple-Tech Detector‍‌‌‌‌‌‌​‌​​​‌‌​​‌​‍

$368.00
FREE DELIVERYWARRANTY GUARANTEED
✔ Dedicated 5★ Customer Care Team   ✔ Fast & Responsive Tech Support

The Dahua Technology DH-ARD2251E-W2 is a professional-grade wireless outdoor alarm detector designed for perimeter and external area protection. Using advanced triple-technology detection, this unit significantly reduces false alarms caused by pets, weather, or environmental interference, making it ideal for residential and commercial alarm systems.

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Built for harsh outdoor conditions, the detector supports anti-masking, tamper detection, and optional video verification when paired with compatible Dahua wireless alarm hubs.


 

$368.00 inc GST +3 Year Warranty & Support

Key Features

  • Triple-technology motion detection (PIR + Microwave + intelligent algorithm)

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  • Outdoor-rated design for perimeter and approach protection

  • Pet-immune detection to reduce false alarms

  • Anti-masking detection for enhanced security

  • Tamper protection against removal or interference

  • Optional camera module support for video verification

  • Built-in temperature monitoring

  • Two-way encrypted wireless communication

  • Remote configuration and firmware updates via alarm hub

  • Designed for Dahua 868 MHz wireless alarm systems


Technical Specifications

  • Detection Type: Triple-tech (PIR + Microwave + algorithm processing)

  • Detection Distance: Up to 15 m

  • Detection Angle: Wide-angle coverage

  • Pet Immunity: Supports pet-friendly environments

  • Wireless Frequency: 868 MHz

  • Encryption: Secure wireless communication

  • Communication Range: Long-range wireless (open-space conditions)

  • Power Supply: Battery powered

  • Battery Type: CR123A lithium batteries

  • Operating Temperature: Suitable for outdoor environments

  • Ingress Protection: IP66 weather-resistant housing

  • Mounting Height: Approximately 0.8 m – 1.3 m recommended


Compatible Systems

  • Dahua wireless alarm hubs supporting 868 MHz detectors

  • Dahua AirShield wireless alarm ecosystem

  • Optional Dahua PIR-Cam video verification modules


Typical Applications

  • Residential perimeter protection

  • Driveways and yards

  • Commercial building approaches

  • Outdoor areas requiring pet-immune detection

  • Sites needing reduced false alarm rates


Installer Notes

  • Install away from direct sunlight, reflective surfaces, and moving vegetation

  • Ensure correct mounting height for optimal pet immunity performance

  • Perform walk testing after installation to fine-tune detection zones

  • Best results achieved when paired with Dahua wireless alarm hubs and sirens

Videos

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Dahua DH-ARD2251E-W2, Wireless External Triple-Tech Detector
$368.00 inc GST +3 Year Warranty & Support