Piezo loudspeaker commonly used in electronic devices. A simple way to audio communication in your electronic devices. Useful for Arduino sound projects as well as alarm systems. Technical data Thickness: 0.2mm Color: Yellow Input Type: DC Voltage Range: 1.5-30v\ V Frequency: 2.6-16.5 MHz Technology: Piezo Operating Temperature: -20°C ~ 70°C https://elecena.pl/product/22626670/20-mm-piezoelectric-buzzer-with-wires 2023-02-23 https://elecena.pl/product/22626670/20-mm-piezoelectric-buzzer-with-wires 2025-10-28