Brand name: Matek
Item name: 5V Loud Buzzer
Built-in MCU
Working voltage range: 4.5-5.2V DC
Power: 1W Max.
Sound Output: 90dB Max.
Size : 18x13x8mm
Weight: 2g
It can be used on triditional PWM receivers or FPV racing flight controller.
The tiny buzzer is drived by on board MCU. It can output louder sound than 5V active buzzers.