Hello. Welcome to Futurlec. The electronic components Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. BUZZERS BUZZER9 - 9V Piezo Buzzer Photograph Features Voltage: 9Vdc. Kingstate Buzzer - KS-6609 Dimensions: 25mm Diameter, 16mm High, 32mm between mounting holes