---
product_id: 143752833
title: "6Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep"
brand: "ofnmy"
price: "A$2"
currency: AUD
in_stock: false
reviews_count: 8
url: https://www.desertcart.com.au/products/143752833-6pcs-sfm-27-dc-3-24v-electronic-buzzer-alarm-sounder
store_origin: AU
region: Australia
---

# 3-24V wide voltage range Compact 3cm diameter 100dB loudness 6Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep

**Brand:** ofnmy
**Price:** A$2
**Availability:** ❌ Out of Stock

## Summary

> 🔔 Elevate your alerts — never miss a beat with the buzzer that means business!

## Quick Answers

- **What is this?** 6Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep by ofnmy
- **How much does it cost?** A$2 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/143752833-6pcs-sfm-27-dc-3-24v-electronic-buzzer-alarm-sounder)

## Best For

- ofnmy enthusiasts

## Why This Product

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

## Key Features

- • **Energy Efficient at 15mA:** Low current draw keeps your system running longer and cooler.
- • **Versatile 3-24V Operation:** Fits seamlessly into any project with a broad voltage compatibility range.
- • **Powerful 100dB Sound Output:** Cut through noise with crystal-clear alerts that demand attention.
- • **Compact & Lightweight Design:** Small 3cm diameter and 11cm wire length for easy integration anywhere.
- • **Durable in Extreme Conditions:** Operates reliably from -20°C to +45°C, built for real-world environments.

## Overview

The 6Pcs SFM-27 Electronic Buzzer Alarm Sounder delivers a powerful 100dB continuous or intermittent beep across a versatile 3-24V range. Compact and energy-efficient, it’s designed for professional-grade projects requiring reliable, loud audio alerts in a durable package suitable for varied temperature conditions.

## Description

Specifications: Length of Wire: 11cm /4.3in Diameter: 3cm /1.2in Rated Voltage: 12V Range of Voltage: 3-24V Rated Current: 15mA at 12VDC Sound Pressure Frequency: 100dB at 12VDC /30cm Resonant Frequency: 2.5±0.5KHZ Operating Temperature: -20+45℃ Storage Temperature: -20+60℃ Package Includes: 6pcs × SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder

Review: Work great - Good price. Work great
Review: Good! - Good for small projects.. they are very loud. They produce a solid continuous BEEP, not a buzz.

## Features

- Length of Wire: 11cm /4.3in
- Diameter: 3cm /1.2in
- Rated Voltage: 12V; Range of Voltage: 3-24V
- Rated Current: 15mA at 12VDC
- Sound Pressure Frequency: 100dB at 12VDC /30cm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07RKX2C9Z |
| Batteries Required? | No |
| Best Sellers Rank | #822,919 in Electronics ( See Top 100 in Electronics ) #2,287 in Security Horns & Sirens |
| Customer Reviews | 3.9 3.9 out of 5 stars (69) |
| Date First Available | May 6, 2019 |
| Item Package Quantity | 1 |
| Item Weight | 2.89 ounces |
| Item model number | 6 |
| Manufacturer | OFNMY |
| Package Dimensions | 8 x 2.9 x 0.7 inches |
| Part Number | 6 |

## Product Details

- **Brand:** OFNMY
- **Noise Level:** 100 Decibels
- **Power Source:** Corded Electric
- **UPC:** 687765946783
- **Voltage:** 24 Volts

## Images

![6Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep - Image 1](https://m.media-amazon.com/images/I/615KZ7BHjrL.jpg)
![6Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep - Image 2](https://m.media-amazon.com/images/I/51TNnH6N4TL.jpg)
![6Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep - Image 3](https://m.media-amazon.com/images/I/51u+ZJ5NvpL.jpg)
![6Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep - Image 4](https://m.media-amazon.com/images/I/51E7lI6HdQL.jpg)
![6Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep - Image 5](https://m.media-amazon.com/images/I/51TjN96ljXL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Work great
*by D***S on November 15, 2022*

Good price. Work great

### ⭐⭐⭐⭐⭐ Good!
*by J***. on February 11, 2020*

Good for small projects.. they are very loud. They produce a solid continuous BEEP, not a buzz.

### ⭐⭐⭐⭐ Very small Very loud
*by S***. on December 1, 2019*

Not what I needed but after re-reading description they do list them as 1.2 inch diameter.

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**Shop now:** [https://www.desertcart.com.au/products/143752833-6pcs-sfm-27-dc-3-24v-electronic-buzzer-alarm-sounder](https://www.desertcart.com.au/products/143752833-6pcs-sfm-27-dc-3-24v-electronic-buzzer-alarm-sounder)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-25*