Features: Experience high quality sound with the 12mm copper piezo buzzer, delivering a wide ranges of tones and clear music response. Suitable for voice and music applications. Perfect for DIY enthusiasts and electronics hobbyists. Made with copper and PVC materials, this 12mm piezo buzzer is built to last. Its small size and lightweight design makes it easy to install and integrate into various electronic project Fit for professionals and beginners, this 12mm piezo buzzer enhances your listen experience; Add sound effects to your projects or use it as a pressure sensor speaker for DIY installations. Specifications: Material:Copper+PVC Diameter:Approx.12mm/0.47in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 10xBuzzer Film