Technical data: Rated Voltage: 3.6V Voltage Range: 2V to 4V Technology: electromagnetic buzzer Current - Supply: 25mA Operating Temperature: -25°C ~ 55°C Height: 5.4mm Oscillation frequency: 2048Hz Resistance: 16 ohm Color: Black https://elecena.pl/product/22626669/3-6v-hc12054-passive-split-electromagnetic-buzzer 2023-02-23 https://elecena.pl/product/22626669/3-6v-hc12054-passive-split-electromagnetic-buzzer 2025-10-28