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           Rated Voltage

5VDC

Operating Voltage

3.0~7.0VDC

Max.Rated Current

Max.30mA

sound Pressure level(dB/min)at10cm

Min 85dB

Resonant Frequency

2700±300Hz

Operating Temperature

-20 ℃~+70 ℃

Storage Temperature

-30 ℃~+80℃