You can create a loud noise with this 80 dB buzzer from RS PRO. The component works with an AC current of up to 3 V to provide a continuous buzzing output. It's found in residential and commercial settings from houses to industrial plants and garages.
The component can be through-hole mounted onto a PCB (printed circuit board) and soldered into place. Weighing just 2 g, it's suitable for installation onto surfaces with a limited load-bearing capacity. You'll want to make sure you've got an external drives circuit too, as it needs one for the buzzer to work. You can use this component with doorbells, automotive warning alerts and pest deterrents.

• Dimensions of 12 (diameter) x 8.5 mm (height)
• External drive type
• Maximum frequency of 2.048 kHz
• Minimum operating temperature of -20°C
• Maximum operating temperature of +70°C
• Minimum supply voltage of 1 V AC
• Maximum supply voltage of 3 V AC
• Through-hole mounting type
• Sound level of 80 dB
• Supply current of 15 mA