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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
Standard Shipping is a $17.50 flat rate for all orders
Express Shipping $40.00
Delivery Policy
All prices displayed on this website exclude shipping costs
Despatch Time
Orders are dispatched Monday – Friday from 8am – 5pm within 2-4 business days and shipping times are estimated at between 3-7 business days depending on your location within Australia.
Transit Times
Postal transit times may can vary depending upon your destination and other social aspects, including impacts from COVID-19, Some items are taking a little longer than usual right now due to high parcel volumes and ongoing COVID-19 restrictions.
P.O Boxes
We cannot ship to PO Boxes.
Order Confirmation
After placing an order, you will receive an order confirmation by e-mail. This means we’ve received your order in our system and have pre-authorised your credit card for the purchase. If your item is back-ordered or otherwise unavailable, we will void the pre-authorisation charge and contact you to inform you by e-mail. If your item(s) are available for immediate shipment (within 2 days), we will process the charges and submit the order for shipment.
Tracking Numbers will be sent to your email once your order has shipped.
In some cases, we may need to contact you before your order can be shipped. To ensure there is no delay, please respond to any email/phone call from our Customer Service team.
We proudly use the following Shipping Methods
Australia Post & Couriers Please.
