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Description
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:
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✅ Triple Technology Detection – Combines PIR, microwave, and anti-masking for precise detection and reduced false alarms.
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✅ Anti-Masking & Tamper Alerts – Detects attempts to cover or move the device for enhanced intrusion prevention.
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✅ PIR-Cam Ready – Supports installation of an optional camera module for video verification (PIR-Cam).
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✅ Pet Immunity – Ignores animals up to 80 cm tall and 40 kg, making it perfect for pet-friendly households.
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✅ Environmental Monitoring – Monitors surrounding temperature for enhanced security and system awareness.
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✅ Stable RF Communication – Two-way communication with frequency hopping ensures secure, uninterrupted signal transmission to the alarm hub.
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✅ Cloud Updates – Supports remote firmware updates via the mobile app with automatic recovery if updates fail.
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✅ 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 Security
For reliable, high-performance wireless detection, choose the Dahua ARD2251E-W2 External Triple Tech Detector—trusted by professionals, powered by smart technology.
✅ Available for alarm installations by licensed technicians.
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
Brochures
Shipping & Delivery Policy
CTC Security
31/1 Prime Drive, Seven Hills, NSW 2147
Australia-Wide Delivery
Shipping Rates
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Standard Shipping: Flat rate of $18.49 on all orders
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Express Shipping: Flat rate of $40.00
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Free Shipping: Automatically applied to all orders over $750
All product prices displayed on our website exclude shipping fees.
Despatch & Handling Time
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Orders are processed and dispatched Monday to Friday, 8:00 AM – 4:00 PM
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Please allow 2–4 business days for order processing before dispatch
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Once dispatched, standard shipping times are typically 3–7 business days depending on your location within Australia
Delivery Information
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We do not deliver to P.O. Boxes
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We use trusted courier services including Australia Post and Couriers Please
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Transit times may vary based on your delivery address and regional courier delays
Order Confirmation & Tracking
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After placing your order, you will receive an Order Confirmation Email
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Once your order has shipped, a Tracking Number will be sent to your email
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If your item is back-ordered or unavailable, we will notify you and void the pre-authorisation on your payment method
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Orders with items in stock will be charged and shipped within the estimated despatch window
Need Assistance?
If you have any questions about your order, please don’t hesitate to contact our customer service team. Prompt responses to our emails or calls help avoid delays.
1300 552 282 or info@ctccommunications.com.au





