The Phoenix Contact 2700136 is a high-performance audible signal element, specifically designed for integration into modular signal towers. This versatile component, known as the PSD-S AE BM2-1, operates on 24 V AC/DC and delivers a powerful acoustic output of up to 85 dB(A) with both continuous and pulse tone options. Ideal for industrial environments, it ensures clear and effective auditory signaling in various applications. The bayonet locking system facilitates secure mechanical and electrical connections, making it a reliable choice for customizable signal tower configurations.