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 Receive instant notifications, check system status, and manage settings anytime, from anywhere.
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For reliable, high-performance wireless detection, choose the Dahua ARD2251E-W2 External Triple Tech Detector—trusted by professionals, powered by smart technology.
Available for 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
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For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
