---
product_id: 333348335
title: "5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino"
brand: "stemedu"
price: "€ 14.33"
currency: EUR
in_stock: true
reviews_count: 6
url: https://www.desertcart.nl/products/333348335-5pcs-sfm-27-dc-3-24v-alarm-siren-electronic-piezo
store_origin: NL
region: Netherlands
---

# 3-24V voltage range 5pcs included 95dB sound level 5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino

**Brand:** stemedu
**Price:** € 14.33
**Availability:** ✅ In Stock

## Summary

> 🔔 Sound the Alarm: Elevate Your Projects with Power!

## 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?** € 14.33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/333348335-5pcs-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

- • **📏 Compact Design:** Measuring just 1.14 inches in diameter, it fits anywhere you need sound.
- • **🔔 Unmatched Sound Power:** Experience a booming 95dB alarm that commands attention!
- • **🛡️ Reliable Performance:** Designed for continuous operation, ensuring your alarms never miss a beat.
- • **🛠️ DIY Enthusiast's Dream:** Perfect for car modifications and innovative electronics projects.
- • **🔌 Versatile Voltage Compatibility:** Seamlessly operates within a 3-24V range for diverse applications.

## Overview

The 5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer delivers a powerful 95dB sound, making it ideal for various applications including car modifications and DIY electronics. With a compact size of 1.14 inches in diameter and a voltage range of 3-24V, this buzzer is perfect for any project requiring a reliable and loud alarm. Each package includes five buzzers, ensuring you have enough for all your needs.

## 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 dB |
| Mounting Type | Wall Mount |
| Manufacturer | Stemedu |
| Part Number | ST3486X5 |
| Item Weight | 1.13 ounces |
| Product Dimensions | 1.14 x 1.14 x 0.59 inches |
| Item model number | ST3486X5 |
| Item Package Quantity | 1 |
| Included Components | DC 3-24V Electronic Buzzer Alarm Sounder Continuous Beep 5PCS |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Color:** Black
- **Brand:** Stemedu
- **Power Source:** Corded Electric
- **Compatible Devices:** Electronic Security Systems
- **Product Dimensions:** 1.14"L x 1.14"W x 0.59"H

## 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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality alarms
*by J***D on February 5, 2025*

I got these alarms for a project at work. The alarms function every time I needed them too. It was for a lockout tag out project.

### ⭐⭐⭐⭐⭐ Freaking loud.
*by T***N on November 25, 2024*

Have used these on a couple projects. At 5V, these things are super loud and low power draw.Gotta have switches mounted for these.

### ⭐⭐⭐ Far from a 95db siren.
*by H***R on October 30, 2024*

I hooked the sirens up to a 9 volt battery and then a 12v car battery. I would say at best these alarms are 45db on a good day. You can easily have a normal volume spoken conversation with this alarm going off sitting on the table between two people.

## 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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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-16*