The MALLORY SONALERT part SC628MD is a high-quality audio signal device designed for reliable and clear sound output. With an operating voltage range of 6VDC to 28VDC and a current rating of 20mA, this panel mount screw bulk device is perfect for a wide range of applications.Featuring a sound level rating of 75dBA, the SC628MD delivers a powerful and attention-grabbing sound output. Its frequency range of 1500Hz to 2500Hz ensures clear and distinct sound reproduction.Ideal for industrial, commercial, and automotive environments, this MALLORY SONALERT is built to last. Its panel mount design eliminates the need for additional mounting hardware, simplifying installation and saving time.Whether used as a warning signal, alert system, or as an audio notification device, the SC628MD is a top choice. With its exceptional performance and durability, this SONALERT provides reliable and clear audio signals whenever and wherever they are needed.