---
product_id: 289427904
title: "3PCS DC 3-24V Active Piezo Electronic Buzzer"
brand: "weichuang"
price: "MOP$90"
currency: MOP
in_stock: true
category: "Weichuang"
url: https://macau.desertcart.com/products/289427904-3pcs-dc-3-24v-active-piezo-electronic-buzzer
store_origin: MO
region: Macau
---

# Wide 3-24V DC voltage range 90dB loudness at 12V Low 15mA current draw 3PCS DC 3-24V Active Piezo Electronic Buzzer

**Brand:** weichuang
**Price:** MOP$90
**Availability:** ✅ In Stock

## Summary

> 🔔 Never miss a beat—sound the alarm with power and precision!

## Quick Answers

- **What is this?** 3PCS DC 3-24V Active Piezo Electronic Buzzer by weichuang
- **How much does it cost?** MOP$90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [macau.desertcart.com](https://macau.desertcart.com/products/289427904-3pcs-dc-3-24v-active-piezo-electronic-buzzer)

## Best For

- weichuang enthusiasts

## Why This Product

- Trusted weichuang brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Powerful 90dB Alert:** Cut through noise with a piercing 90dB beep that commands attention instantly.
- • **Compact & Durable Build:** Sleek 30x15mm size with robust piezoelectric tech, perfect for discreet yet reliable alerts.
- • **Energy-Efficient Design:** Consumes just 15mA at 12V, ensuring long-lasting performance without draining your system.
- • **Plug-and-Play Activation:** Active piezo buzzer sounds immediately when powered—no extra drivers or circuits needed.
- • **Universal Voltage Compatibility:** Seamlessly operates from 3V up to 24V DC, fitting diverse power setups without hassle.

## Overview

The 3PCS DC 3-24V Active Piezo Electronic Buzzers deliver a sharp 90dB continuous tone alarm powered by a wide voltage range (3-24V DC) with minimal current consumption (15mA at 12V). Compact and easy to install, these buzzers activate instantly upon power, making them ideal for vehicle security and alert systems. Backed by a 1-year warranty, they combine reliability with energy efficiency for professional-grade alerting.

## Description

Product parameter Length of Wire: 12cm /4.72in Diameter: 3cm /1.2in Rated Voltage: 12V Range of Voltage: 3-24VDC Rated Current: 15mA at 12VDC Sound Pressure Frequency: 100dB at 12VDC /30ma Resonant Frequency: 3.0±0.2KHZ Operating Temperature: -20+45 Degree C Storage Temperature: -20+60 Degree C Package Includes: 3× SFM-27-W DC 3-24V Active piezoelectric buzzerr

## Features

- Active piezoelectric buzzerr,piezo alarm, module support DC 3V 12V 24V wide voltage power supply
- SOUND OUTPUT: The buzzer alarm is 100dB at 12V DC 30cm, you can wait until the volume you think of by adjusting the voltage. Response frequency: 3±500Hz
- RATED CURRENT:15mA at 12VDC,12V Alarm Module Size: 30 X 15mm/1.18 X 0.59inch(D*T)
- SOUND TYPE: continuous sound,No need to drive, it will make a sound when power is on
- 100% QUALITY ASSURANCE,The warranty is 1 year. During the warranty period, if there is any quality problem with the 24v alarm, please contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08SL2HH65 |
| Audible Noise | 90 Decibels |
| Best Sellers Rank | #8,891 in Electronics ( See Top 100 in Electronics ) #26 in Security Horns & Sirens |
| Brand | WEICHUANG |
| Color | black |
| Compatible Devices | DC Powered Devices |
| Control Method | Touch |
| Customer Reviews | 4.5 4.5 out of 5 stars (330) |
| Item Dimensions L x W x H | 1.18"L x 1.18"W x 0.59"H |
| Item Weight | 0.02 Kilograms |
| Manufacturer | WEICHUANGJING |
| Mfr Part Number | SFM-27-W |
| Model Number | SFM-27-W |
| Mounting Type | Wall Mount |
| Power Source | DC Powered |
| Sensor Technology | Piezoelectric Sensor |
| UPC | 788470969590 |
| Voltage | 24 Volts |

## Product Details

- **Brand:** WEICHUANG
- **Color:** black
- **Compatible Devices:** DC Powered Devices
- **Power Source:** DC Powered
- **Product Dimensions:** 1.18"L x 1.18"W x 0.59"H

## Images

![3PCS DC 3-24V Active Piezo Electronic Buzzer - Image 1](https://m.media-amazon.com/images/I/61K2+rI5z+L.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Does this buzzer need to be driven?**
A: No need to drive, you just need to connect the power and it will make a sound

**Q: Is the sound of this unit a Beep, Buzzer or Siren?**
A: It's a beep. I used my mobile phone to take a picture of the sound made by connecting a 9V battery. You can turn it on to see if it meets your requirements.

**Q: What is the wire gauge size?**
A: pretty small,  maybe 18 or 20 awg.   I connected to 18awg on a 28vdc 3amp system.  and it works great.

## Frequently Bought Together

- WEICHUANG 3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W
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- WGGE WG-026 10 Pieces and 5 Colors Test Lead Set & Alligator Clips,20.5 inches / 22 AWG Copper Wire. The Clips soldered and Stamping to The Wires. (1 Pack)

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*Product available on Desertcart Macau*
*Store origin: MO*
*Last updated: 2026-07-25*