Dahua ARD2251E-W2(868) PIR | AirShield Wireless Indoor Siren with PIR Detector | White

Dahua ARD2251E-W2(868) PIR — Wireless Indoor Siren with Integrated PIR Motion Detector

The Dahua ARD2251E-W2(868) PIR is a wireless indoor siren from the AirShield series with an integrated PIR motion detector. The device combines alarm signaling and detection in a single housing: when motion is detected, the siren immediately activates a powerful audible signal. Frequency hopping at 868 MHz and two-way communication ensure a stable, interference-free connection to the AirShield Hub. The white finish blends discreetly into any indoor environment.

Key Features

• 2-in-1: indoor siren with integrated PIR motion detector
• 868 MHz frequency hopping with two-way communication for a stable connection
• Immediate alarm activation when motion is detected
• Compatible with the Dahua AirShield Hub and all AirShield systems
• Interference detection and communication encryption
• Wireless — easy installation without cabling
• For indoor use — compact white design (211 × 94 mm)
• Wi-Fi connectivity
• 3-year warranty

Applications

• Combined motion detection and alarm signaling in a single device
• Indoor areas where detection and the siren are required at the same location
• Expansion of existing Dahua AirShield installations
• Professional alarm systems where compactness and functionality go hand in hand