Breaking a window is one of the easiest and most common ways for an intruder to enter a home or business. to help protect against this type of intrusion, an Acuity glassbreak detector is needed. "Smart" enough to distinguish the sound of breaking glass from other common sounds found in homes and businesses, the detectors feature high-performance microphones and advanced microprocessor-Based Digital Sound Analysis (DSA) that can determine all types of breaking framed glass (plate, float, tempered, wired and laminated) up to 25' away. Acuity glassbreak detectors can be mounted on walls or ceilings.