high sensitivity and stable sound output with the sourcing maps 27mm piezo disc, perfect for a variety of devices requiring reliabled sound feedbacks Crafted from ceramic materials, these piezoelectric disc is durablity and resistant, ensuring long lastings without degradation Enhances your electronic designs with these piezo disc, known for their consistent and adaptability across multiple applications For electronic product manufacturers, DIYer enthusiasts, and developers seek efficient sound alerts solution in their projects Widely applicable in alarms, timers, toy, and various electronic products ' sound prompt systems, these disc provide essential functionality in diverses setting, Manufacturer: HDOYTXXM