The MALLORY SONALERT part SC628MN is an audio signaling device that is designed for use in various applications. It operates on a voltage range of 6VDC to 28VDC and consumes only 16mA of current. This signaling device produces a sound output of 80dBA at a frequency range of 2400Hz to 3400Hz, making it highly audible and attention-grabbing. With its screw panel mount design, it is easy to install and secure in place. Whether it's for industrial, commercial or residential use, the MALLORY SONALERT part SC628MN is an excellent choice for audio signaling requirements.