Description:

This buzzer is an active buzzer, which basically means that it will buzz at a predefined frequency (2300 ±300 Hz) on its own even when you just apply steady DC power.

Specifications:

Rated Voltage 5 V
Operating Voltage 4~8 V
Max Rated Current ≤32 mA
Min. Sound Output at 10cm 85 dB
Resonant Frequency 2300 ±300 Hz
Operating Temperature -20°C to 45°C
Height 9.16 mm (0.36″)
Diameter 11.78 mm (0.46″)
Weight 1.6 g (0.057 oz)