DSC Acuity AC-100 Glass Break Detector, Tyco International, Ltd Omni directional microphoneAdvanced microprocessor-based glassbreak sensorHigh-level static and transient protectionHigh RF immunity with SMD constructionWhite noise rejection mechanismInstaller test mode for glassbreak sensor (AFT-100 tester required)Alarm memory (latching LED) for glassbreak sensorMOV transient/static protectionJumper selectable sensitivity range