---
product_id: 379946197
title: "5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino"
brand: "stemedu"
price: "92.49 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/379946197-5pcs-sfm-27-dc-3-24v-alarm-siren-electronic-piezo
store_origin: TN
region: Tunisia
---

# 3-24V wide voltage range 95dB piercing continuous beep Compact 29mm size with mounting holes 5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino

**Brand:** stemedu
**Price:** 92.49 DT
**Availability:** ✅ In Stock

## Summary

> 🚨 Amplify Your Alerts with Power & Precision!

## Quick Answers

- **What is this?** 5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino by stemedu
- **How much does it cost?** 92.49 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/379946197-5pcs-sfm-27-dc-3-24v-alarm-siren-electronic-piezo)

## Best For

- stemedu enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack Advantage:** Five high-decibel buzzers included to power multiple projects or backups.
- • **Piercing 95dB Alarm:** Delivers a loud, continuous beep that commands attention in any environment.
- • **Compact & Ready to Mount:** Sleek 29mm diameter with pre-drilled mounting holes for effortless installation.
- • **Plug-and-Play Simplicity:** Active buzzer design means no extra circuitry needed—just connect and alert.
- • **Power Flexibility Unleashed:** Operates seamlessly from 3V up to 24V for versatile DIY and professional projects.

## Overview

This 5-piece set of SFM-27 active piezo buzzers operates across a broad 3-24V range, producing a sharp 95dB continuous beep from a compact 29mm speaker. Designed for easy mounting and plug-and-play use, these buzzers are ideal for Arduino projects, car modifications, and any application demanding a reliable, high-decibel alarm.

## Description

5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino

## Features

- Voltage range: Operating voltage 3-24V, rated voltage 12V
- Size: Alarm diameter 29mm/ 1.14", height 15mm/ 0.59"
- Sound level: Produces continuous high-decibel alarm sound up to 95dB
- Applications: Suitable for car modification, DIY electronics projects, and other sound alarm needs
- Package contents: Includes 5pcs 95DB black active buzzers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Voltage | 24 Volts |
| Control method | Touch |
| Noise level | 95 Decibels |
| Mounting type | Wall Mount |
| Manufacturer | Stemedu |
| Part number | ST3486X5 |
| Item Weight | 32 g |
| Product Dimensions | 2.9 x 2.9 x 1.5 cm; 32 g |
| Item model number | ST3486X5 |
| Color | Black |
| Item Package Quantity | 1 |
| Included components | DC 3-24V Electronic Buzzer Alarm Sounder Continuous Beep 5PCS |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Colour:** Black
- **Brand:** Stemedu
- **Power source:** Corded Electric
- **Compatible devices:** Electronic Security Systems
- **Product dimensions:** 29L x 29W x 15H millimeters

## Images

![5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino - Image 1](https://m.media-amazon.com/images/I/61ohmr7xgtS.jpg)

## Frequently Bought Together

- Stemedu 5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino
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**Shop now:** [https://www.desertcart.tn/products/379946197-5pcs-sfm-27-dc-3-24v-alarm-siren-electronic-piezo](https://www.desertcart.tn/products/379946197-5pcs-sfm-27-dc-3-24v-alarm-siren-electronic-piezo)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-19*