---
product_id: 495902637
title: "6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics"
brand: "stemedu"
price: "E£ 1232"
currency: EGP
in_stock: true
reviews_count: 2
url: https://www.desertcart.com.eg/products/495902637-6pcs-active-piezo-buzzer-sfm-20b-3-24v-dc-95db
store_origin: EG
region: Egypt
---

# 3-24V wide voltage range 95dB loud continuous beep ≤12mA low power consumption 6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics

**Brand:** stemedu
**Price:** E£ 1232
**Availability:** ✅ In Stock

## Summary

> 🔔 Make your alerts impossible to ignore with the power of precision sound!

## Quick Answers

- **What is this?** 6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics by stemedu
- **How much does it cost?** E£ 1232 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/495902637-6pcs-active-piezo-buzzer-sfm-20b-3-24v-dc-95db)

## 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 Yet Mighty:** Small 22mm diameter fits effortlessly into tight spaces without compromising performance.
- • **Energy-Smart Design:** Consumes minimal current (≤12mA), extending your device’s battery life and efficiency.
- • **Plug & Play Versatility:** Perfect for Arduino, computers, toys, and automotive electronics—integrate with ease.
- • **Command Attention Loudly:** 95dB high-decibel output ensures your alerts cut through any noise environment.
- • **Power Flexibility Unleashed:** Operates seamlessly from 3V to 24V DC, adapting to your project’s power needs.

## Overview

The Stemedu 6PCS Active Piezo Buzzer SFM-20B delivers a powerful 95dB continuous beep across a versatile 3-24V DC range. Compact and energy-efficient, these buzzers are ideal for Arduino projects and a wide array of electronics, providing reliable, loud alerts while consuming minimal power.

## Description

6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics

## Features

- Wide Voltage Range: Operates on a DC voltage from 3V to 24V, providing flexibility in power supply
- High Decibel Output: Produces a continuous beep sound at 95dB, ensuring loud and clear audio alerts
- Versatile Application: Suitable for various electronics such as computers, printers, toys, and automotive equipment
- Compact Size: With a diameter of 22mm and height of 10mm, it's small and easy to integrate
- Low Current Consumption: Rated current is ≤12mA and max current rating is 10mA, saving power

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Stemedu |
| Color | Black |
| Power Source | dc |
| Compatible Devices | Personal Computer |
| Item dimensions L x W x H | 1.38 x 0.91 x 0.47 inches |
| Connectivity Technology | Wired |
| Installation Type | Screw-In |
| Alert Type | Motion Only |
| Voltage | 24 Volts |
| Control Method | Voice |
| Included Components | 6 x Piezoelectric Buzzer Alarm |
| Noise Level | 95 dB |
| Unit Count | 6.0 Count |
| Manufacturer | Stemedu |
| Item Weight | 0.634 ounces |
| Product Dimensions | 1.38 x 0.91 x 0.47 inches |
| Item model number | ST3486AX6 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Stemedu
- **Color:** Black
- **Power Source:** dc
- **Compatible Devices:** Personal Computer
- **Item dimensions L x W x H:** 1.38 x 0.91 x 0.47 inches

## Images

![6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics - Image 1](https://m.media-amazon.com/images/I/51YyGuaC8HL.jpg)
![6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics - Image 2](https://m.media-amazon.com/images/I/51bgiIOsrHL.jpg)
![6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics - Image 3](https://m.media-amazon.com/images/I/41KQaVpAPwL.jpg)
![6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics - Image 4](https://m.media-amazon.com/images/I/41Ms7YxscDL.jpg)
![6PCS Active Piezo Buzzer SFM-20B 3-24V DC, 95dB High Decibel Continuous Beep for Arduino & Various Electronics - Image 5](https://m.media-amazon.com/images/I/41UtqaW360L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works good
*by M***F on August 12, 2023*

Great little set to add to the collection of small electrical parts for Arduinos. Tested out on a quick little circuit and work as expected. My daughter has been annoying me with buzzers for over a day now.

### ⭐⭐⭐⭐ More of a beeper than a buzzer.
*by A***B on August 17, 2023*

These are really cheap and lightweight. They're as simple and inexpensive as they could possibly be. Just two thin tiny wires and a little plastic circle box. Basically weightless. You get six of them. Calling them a buzzer is pretty much inaccurate though, because the sound they make is a high-pitched beep. It's actually pretty annoying, but they work super well. You can use virtually any battery to power them, so they're incredibly easy to set up/operate and they're super versatile.

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**Shop now:** [https://www.desertcart.com.eg/products/495902637-6pcs-active-piezo-buzzer-sfm-20b-3-24v-dc-95db](https://www.desertcart.com.eg/products/495902637-6pcs-active-piezo-buzzer-sfm-20b-3-24v-dc-95db)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-01-23*