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 SMBUZZER9 - 9V Small Buzzer Photograph Features Voltage: 9Vdc. Kingstate Buzzer - KS-3609 Dimensions: 32mm Length, 16mm Wide, 15mm High, 28.5mm between mounting holes