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Dahua Wireless External Triple Tech Detector, ARD2251E-W2

SKU ARD2251E-W2
by Dahua
Availability:
in stock, ready to be shipped

Dahua External Camera Detector

Features

  • Support anti-masking detection. 
  • Support moving detection to prevent someone move or detach device. 
  • Support the installation of camera modules to form PIR-Cam to implement video verification. 
  • Pet immunity: up to 80 cm, 40kg. 
  • Support environment temperature monitoring. 
  • Supports two-way communication and frequency hopping to make communication with alarm hub stable and reliable. 
  • Features cloud update. You can also remotely update the device on the mobile app. 
  • Offers a dual backup system, and uses auto recovery when an update fails.
Original price $0
Original price $211.06 - Original price $211.06
Original price
Current price $211.06
$211.06 - $211.06
Current price $211.06

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Dahua Wireless External Triple Tech Detector – ARD2251E-W2

Enhance your perimeter protection with the Dahua ARD2251E-W2, a wireless triple tech detector engineered for reliable outdoor motion detection.

Designed to detect and deter, this advanced detector offers pet immunity, anti-masking features, and video verification compatibility—making it an ideal solution for comprehensive outdoor security.

🔍 Key Features:

  • Triple Technology Detection – Combines PIR, microwave, and anti-masking for precise detection and reduced false alarms.

  • Anti-Masking & Tamper Alerts – Detects attempts to cover or move the device for enhanced intrusion prevention.

  • PIR-Cam Ready – Supports installation of an optional camera module for video verification (PIR-Cam).

  • Pet Immunity – Ignores animals up to 80 cm tall and 40 kg, making it perfect for pet-friendly households.

  • Environmental Monitoring – Monitors surrounding temperature for enhanced security and system awareness.

  • Stable RF Communication – Two-way communication with frequency hopping ensures secure, uninterrupted signal transmission to the alarm hub.

  • Cloud Updates – Supports remote firmware updates via the mobile app with automatic recovery if updates fail.

  • Dual Backup System – Ensures reliability and protection, even in unexpected scenarios.


📱 Smartphone Integration

Control and monitor the ARD2251E-W2 remotely using the DMSS mobile app. Receive instant notifications, check system status, and manage settings anytime, from anywhere.


🛒 Shop Now at CTC Communications

For reliable, high-performance wireless detection, choose the Dahua ARD2251E-W2 External Triple Tech Detector—trusted by professionals, powered by smart technology.

✅ Available for Sydney-wide installation by licensed technicians.
📞 Request a free quote or send in your house plans for expert advice.


Dahua Wireless Detector Comparison Table

Feature ARD1233-W2 PIR Detector ARD2231-W2 Dual Tech Detector ARD1731-W2 PIR Camera
Pet Immunity
Auto Temperature Compensation
Sensitivity Adjustment 3 Levels 3 Levels 3 Levels
Temperature Monitoring ✔ (w/ alarm)
Low Battery Alarm
Frequency Hopping & Two-Way Communication
Cloud Update & Recovery
Detection Technology PIR Only PIR + Microwave PIR + Camera
IR Illumination (Night Vision) - - ✔ (12 m)
Image/Video Capture - -
Max Resolution - - 1600×1200
Detection Range - - 12 m / 86°
Microwave Detection - -
Quick Image Transfer - -
Data Encryption - -

Blog Resources – Learn More About Home Security

🔹Pet-Friendly Home Security Systems: What You Need to Know

🔹Common Mistakes Homeowners Make When Installing Security

🔹How to Enhance Home Security with CCTV and Intercom Integration


Dahua Security Warranty
  • Dahua security products are covered by a 3 year Manufacturer Warranty.
  • Exclusion are labour for installed by others.
  • CTC Communications provides a 1 year warranty on labour when the security product is installed by our Team.
  • Freight Cost is excluded from Warranty, unless the product is dead upon arrival.

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