Interlogix 5812-RND Round Acoustic Glassbreak Detector provides reliable perimeter security for your home or business. This low-profile sensor utilizes Pattern Recognition Technology to accurately detect breaking glass within a 25-foot radius while minimizing false alarms. Designed for interior use, it can be easily mounted on ceilings or walls opposite or adjacent to windows. The unit operates on a 12 VDC power supply from a compatible control panel, ensuring continuous monitoring and peace of mind.