The MALLORY SONALERT part SBT5LMMPPC is a high-quality IEC alarm designed for applications requiring a reliable and effective auditory warning. With a voltage range of 3-5VDC, this alarm produces a powerful 90 dB sound that ensures clear and noticeable alerts. This particular model is specifically crafted for artificial perfusion systems, guaranteeing precise and dependable performance. Affordable and easy to install, the SBT5LMMPPC is an indispensable component for any medical or lab equipment setup.