The MALLORY SONALERT part SC628NR is a compact and highly reliable audio signaling device. Operating on a voltage range of 6VDC to 28VDC, it consumes only 16mA of current while delivering a powerful 80dBA sound output. With a frequency range of 2400Hz to 3400Hz, it offers a distinct and attention-grabbing alert tone. The device features a convenient screw panel mount design for quick and easy installation. Perfect for various industrial applications, this SONALERT delivers efficient and effective audio signaling in a compact package.