The MALLORY SONALERT part SC628MP is an audio device designed to provide reliable and effective acoustic signaling. It operates at a voltage range of 6VDC to 28VDC, consuming only 16mA of current. With a sound output of 70dBA, it produces clear and audible alerts in various environments. The frequency range of 2400Hz to 3400Hz ensures attention-catching tones. This versatile device is easy to install using screw panel mount, making it suitable for a variety of applications that require dependable audio signaling.