Dahua Dhi-ard2231-w2(915) Airshield Series 915mhz Wireless Dual-tech Pir Microwave Motion Detector Pet Immunity 12m Indoor

The Dahua DHI-ARD2231-W2(915) Airshield Series 915MHz Wireless Dual-Tech PIR Microwave Motion Detector is a precision indoor security device engineered for reliable intrusion detection. This unit combines passive infrared and microwave technologies to provide a 12-meter detection range with built-in pet immunity, ensuring accurate alerts while minimizing false triggers from small animals.

Key Features

• Dual-technology detection system utilizing both PIR and microwave sensors for enhanced accuracy
• 915MHz wireless frequency for stable communication with compatible security systems
• 12-meter detection range optimized for indoor environments
• Pet immunity feature reduces false alarms caused by small animals
• Compact form factor with dimensions of 50mm (H) x 60mm (W) x 104mm (D)
• Designed for integration into professional indoor security architectures