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DC 3-24V 2 Wire Industrial Electronic Alarm Sound Buzzer SFM-27
Product Introduction:
1.Thickness:15mm
2.Diameter:30mm
3.Rated Voltage:12V
4.Voltage Range:3-24V
5.Rated Current:no more than 30MA
6.Sound Voltage Level:more than 85dB
7.Resonant Frequency:3000+/-500Hz
8.Operating Temperature:-20??60?
9.Conservation Temperature:-30??70?