Dahua ARD512-W2(868) Wireless Glass Break Detector

Dahua ARD512-W2(868) — ARD512-W2(868) Wireless Glass Break Detector. Key Features & Specifications Detects when the glass is broken, triggering alarms for different types of glass such as tempered, double-glazed, laminated, wired, plate and float glass. Detects high and low frequency sounds at t