The new FG 1625F Glassbreak Detector uses the latest technology to provide faster response and increased false alarm immunity. The FG 1625F is specifically designed to allow fast, easy installation, while the adjustable sensitivity settings can compensate for the acoustics of any room. Optimum operation can be quickly verified using the FG 701 Glassbreak Simulator. The FG 1625F was designed to adequately cover all sizes of single gang electrical boxes. Flush mount installations are now easier and better looking than ever.