Piezo Buzzer This Piezo Buzzer is ideal to connect to a compatible flight controller as a low voltage alarm or lost model alarm. This Piezo Buzzer operates at 5v input which is ideal since most flight controllers use this voltage. Specifications: Voltage: 5V Current: less than 32mA Frequency: Approx. 2300Hz Diameter: 12mm Thickness: 9.6mm Color: Black
