The MALLORY SONALERT part PK-20A38WQ is an audio device that operates at 3VDC and 24VDC, with a current draw of 12mA at 12VDC. With a high sound output of 95dBA, this device produces a loud and clear signal. Its frequency range of 3300Hz to 4300Hz ensures attention-grabbing alerts. The wire lead flange mount design makes installation easy and convenient. Suitable for various applications, this SONALERT part is a reliable choice for auditory notifications.