1, Type:Piezoelectric ceramic 2,Use: For Ultrasonic Equipments 3,Clear sound / High sound pressure 4,MOQ;1000pieces High Quality SWT Piezoelectric Diaphragm for External Drive Main feature of Piezo Ceramic Element:-Extremely thin and light;-Low power consumption;-No EMI\RFI. Piezo Ceramic Element: Applications (Piezoceramics element; Piezo diaphragm, piezo plate)1, For sound making:Clocks, ...