Piezo Big Buzzzer Electronic Tone Buzzer Alarm 3-24V 12VDC with Mounting HolesLarger piezo buzzer with up to 95dB sound level.SpecificationsOperating Voltage 3 - 24VRate Voltage 12V DCBuzzer Type PiezoelectricFrequency 3900±500HzTermination Lead WireDrive Method Drive Circuit Built-inSound Pressure Level 95dBMax. Current Rating 10mA