DAHUA Airshield Wireless Outdoor Triple Tech PIR/Microwave Detector ARD2251E-W2(868)

The DHI-ARD2251E-W2(868) from Dahua is a high-performance wireless external triple-tech detector designed to provide reliable perimeter protection in outdoor environments. It features three layers of detection — microwave, passive infrared (PIR), and digital anti-masking — which work in tandem to reduce false alarms and ensure accurate intrusion detection. With a robust IP66-rated weatherproof housing and advanced anti-tamper mechanisms, it is well-suited for harsh outdoor conditions, providing security professionals with a durable and intelligent detection solution.

This model operates on the 868 MHz wireless frequency, ensuring stable communication within Dahua’s wireless alarm system ecosystem. It’s adjustable detection range, pet immunity up to 40 kg, and intelligent motion analysis help tailor performance to specific environments, minimizing interference from environmental factors like wind, rain, or small animals. With easy integration into Dahua security platforms and long-lasting battery support, the DHI-ARD2251E-W2(868) offers a reliable and flexible solution for comprehensive outdoor surveillance.