Piezo Audio Indicator HP3214XW Datasheet- Internal Driven Piezo Buzzer ,Lead wire type, Dia 32 x14 mm Worked with 12V DC , Output sound 3.3K Hz 88dB at 10cm .
Piezo Audio Indicator HP3025XW - Internal Driven Piezo Buzzer ,Automotive Warning Buzzer,Lead wire type , Dia 30 x25mm Worked with 12V DC , Output3.5K Hz 90dB at 10cm
