The MALLORY SONALERT part MSS5M0 is an audio indicator that effectively alerts users with a loud and attention-grabbing sound. It operates within a voltage range of 4.5VDC to 5.5VDC and requires a current of 250mA. With its 85dBA rating, this piezo-based audio indicator ensures clear and audible notifications. The through-hole pin design allows for easy installation and connection. This product is available in bulk quantities for industrial applications and other projects requiring reliable audio indications.