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4PCS SFM-27-W Beep Tone Alarm Ringer, DC 3-24V 90dB Active Piezo Electronic Buzzer, Black Continuous Beep Speaker, Electronic Buzzer Alarm Sounder Sound Beep 

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$5.98

$ 2 .99 $2.99

In Stock
  • Compatible Design: This active piezoelectric buzzer alarm module supports a wide voltage range from DC 3V to 24V, suitable for various applications. Whether you need low-voltage projects or high-voltage systems, this buzzer can meet your needs
  • High Decibel Sound: At 12V DC and a distance of 30cm, this buzzer alarm can produce a powerful sound of up to 100dB. You can easily adjust the volume by adjusting the voltage, and its high decibel output is very suitable for occasions that require clear
  • Easy to Install: The size of the buzzer is 4.8 x 3 x 1.5cm, with a wire length of 11cm. This alarm has a compact design and is easy to install. It comes with 2 wires, simplifying the connection process and is very suitable for projects with limited space
  • Widely Applicable: This buzzer is very suitable for various purposes, including car modification, DIY electronic projects, and any scenario that requires an audible alarm. Its versatility makes it a valuable addition to your toolbox
  • Packaging Details: Each package contains 4Pcs 95dB black active buzzers, providing you with sufficient quantity for multiple projects or replacements. This value package ensures that you have enough buzzers at hand to meet all your sound alarm needs



Product Description

piezo buzzer
piezo buzzer

Piezo Buzzer

Our piezo buzzers come with a 2-wire lead design for easy connection to your existing system. This makes them a convenient choice for both hobbyists and professionals looking to enhance their projects with a reliable audible alarm

piezo buzzer

  • Type:SFM-27-W
  • Rated Voltage:12VDC
  • Opcration Voltage:3~24VDC
  • Rated Current:15mA at 12VDC
  • Sound Output:100dB at 12VDC/30cm
  • Resonant Freg:3.0+0.2
  • Operating Temp:-20±45
  • Storage Temp:-20±60

piezo buzzer

The compact design of the piezoelectric buzzer is easy to integrate into various systems. The rated current is 15mA at 12V DC voltage, ensuring efficient power consumption without compromising performance

piezo buzzer

Widely used in car modifications, DIY electronic reminder projects, or other areas where audible alarms are required

piezo buzzer

piezo buzzer

piezo buzzer

piezo buzzer


Michael DeAngelo
Reviewed in the United States on March 9, 2025
They are loud! But nothing a resistor can solve. Works well for my application.
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