The MALLORY SONALERT part AST0827MW-03ATRQ is a Surface Mount Technology (SMT) Transducer designed to produce a loud and clear sound. It operates at a voltage range of 2-4VAC, providing a high sound intensity of 85dB. With a frequency of 2731Hz, it produces a distinct and attention-grabbing tone. This transducer has compact dimensions of 8.5mm x 8.5mm x 4.0mm, making it suitable for various applications where space is limited. It comes in a convenient Tape&Reel packaging, allowing for easy handling and installation. Moreover, this transducer complies with RoHS regulations, ensuring it meets the highest standards for environmental friendliness and safety. It is an excellent choice for electronic devices or systems that require a reliable and compact sound signaling solution.