AC/DC Continuous Piezo Buzzer

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AC/DC Continuous Piezo Buzzer specification sheet: Minimum Sound Level 100 dB; Oscillation Frequency 4 kHz ± 500 Hz; Operating Voltage 6 - 12 V AC/DC; Current Consumption Maximum 20 mA; Tone Loud Continuous; Mounting Flange Type; Diameter 38.5 mm; Height 24.5 mm