---
product_id: 289427904
title: ""
brand: "weichuang"
price: "4443 Ft"
currency: HUF
in_stock: true
category: "Weichuang"
url: https://www.desertcart.hu/products/289427904-
store_origin: HU
region: Hungary
---

# Wide 3-24V DC range 90dB piercing sound Low 15mA current draw 

**Brand:** weichuang
**Price:** 4443 Ft
**Availability:** ✅ In Stock

## Summary

> 🔔 Don’t just alert—dominate your space with sound that means business!

## Quick Answers

- **What is this?**  by weichuang
- **How much does it cost?** 4443 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/289427904-)

## 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

- • **Piercing 90dB Alert:** Cut through noise with a powerful continuous beep that commands attention instantly.
- • **Compact & Durable Design:** Sleek 30x15mm size built to withstand -20°C to 60°C, perfect for demanding environments.
- • **Plug-and-Play Simplicity:** Active piezo design means no extra drivers needed—just power it on and hear the alarm.
- • **Energy-Efficient Performance:** Consumes just 15mA at 12V, ensuring long-lasting operation without draining power.
- • **Universal Voltage Compatibility:** Seamlessly integrates with any DC system from 3V to 24V—flexibility that fits your setup.

## Overview

The 3PCS DC 3-24V Active Piezo Electronic Buzzers deliver a robust 90dB continuous alarm tone powered by a wide voltage range (3-24V DC) with minimal current consumption (15mA at 12V). Compact and durable, these buzzers require no external drivers and are engineered for reliable performance in diverse environments, making them ideal for vehicle security and industrial alert systems.

## 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 | #9,560 in Electronics ( See Top 100 in Electronics ) #25 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 (325) |
| 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

![ - 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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**Shop now:** [https://www.desertcart.hu/products/289427904-](https://www.desertcart.hu/products/289427904-)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-07-08*