Piezoelectric Buzzer (Audiowell Electronics (Guangzhou) Co., Ltd.,China)

Detailed Product Description

1) Rated voltage (V DC): 7.4V
2) Operating voltage (V DC): 3-30
3) Max. current at rated voltage (mA): 20.0/7.4V DC
4) Min. sound pressure level (dB) high: 100 - 120 dB at 7.4V DC/30cm
5 Low: 10 - 20 dB less than high
6) Resonant frequency (kHz):2.8+/-0.5
7) Operating temperature (°C): -20 to +60
8) Storage temperature (°C): -30 to +70
9) Material of case: ABS-757/ black