15-element buzzer, 27 mm piezo element, disc piezo sensor with acoustic sensor

General Description Made of premium brass and ceramic, it offers a long service life, excellent heat resistance and stable performance. The diameter of the copper foil is 27 mm and that of the white piezoelectric element is 20 mm. Product Specifications and Attributes: Materials: High-quality brass + ceramic; Copper foil diameter: 27 mm; Piezoelectric element dimensions: 20 mm; Features: Small size, thin and lightweight, clear sound, low power consumption, silent, high transduction efficiency, wide operating range. Applications: Suitable for infrared thermometers, electronic meters, household appliances, electronic toys, instruments, and remote controls. Widely used in communication products, digital products, appliance control boards, and electronic medical equipment. Perfect for car alarms, security alarms, electronic loss prevention devices, and instrumentation equipment. Installation and Use: It can be connected directly to the wire end without soldering. If reinforced protection is required, additional protection can be added at the connection point. The ceramic piezoelectric buzzer can be used for audible signaling and warning, and also serves as a sound sensor for electronic acoustic control products.