Functions flawlessly in crowded industrial zones, multi story buildings with sound barriers, or storage areas where sparks proof equipment is mandatory Ideal for facility managers, officers, and property owners requiring stable emergencies signaling in schools, factories, shopping mall, and complexes Engineered for seamless integration with existing security systems, its strong copper components and rate construction secure year round in extreme temperatures and humidity This 8 inch stainless steel sparks easy alarm bells delivers high decibel alerts with outstanding penetration, ensuring immediate attention in noisy environments while meeting strict standards for flammable areas Crafted from erosion resistant stainless steel and ABS, its wall mounted design features a unique structure for obstacle piercing sound waves and hassle easy installation in spaces, Manufacturer: Oxxggkao