Electromagnetic Piezo Buzzer Continous Sound Beep.
Connect this to the beeper/buzzer output channel of the FC and select in betaflight the corresponding aux channel for the RC on off switch.
Rated Voltage: 5V
Resonance Frequency (Approx): 2300Hz.
Typical Current Output: 30mA.
Sound Output (Typical at 10cm): 85dB.
Size: 9mm x 12mm.
2 x buzzer