[RG71FM0G300B] RISCO ViTRON Plus Grade 3 Acoustic Glass Break Detector 9m CoverageDescription: ViTRON Plus uses a unique pattern recognition analysis of framed pane glass breakage, providing superior detection combined with excellent false alarm immunity. These adjustment free and easy to install units detect breaking of all standard framed glass types and thickness while ignoring non framed glass breakage and other possible sources of false alarms. Choice of wall ceiling or flush mount. Flush, wall or ceiling mount. Provides