--- product_id: 289427904 title: "3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W" brand: "weichuang" price: "VT2566" currency: VUV in_stock: true category: "Weichuang" url: https://www.desertcart.vu/products/289427904-3pcs-dc-3-24v-90db-active-piezo-electronic-buzzer-beep store_origin: VU region: Vanuatu --- # Wide 3-24V DC range 90dB loud output Compact 30x15mm size 3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W **Brand:** weichuang **Price:** VT2566 **Availability:** βœ… In Stock ## Summary > πŸ”” Elevate your alert gameβ€”never miss a beat with the SFM-27-W buzzer! ## Quick Answers - **What is this?** 3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W by weichuang - **How much does it cost?** VT2566 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/289427904-3pcs-dc-3-24v-90db-active-piezo-electronic-buzzer-beep) ## 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 - β€’ **Compact & Discreet:** Slim 30x15mm footprint fits effortlessly into any security or vehicle setup. - β€’ **Reliable & Durable:** Built to perform from -20Β°C to 45Β°C with a 1-year warranty for peace of mind. - β€’ **Powerful 90dB Alarm:** Cut through noise with crystal-clear alerts that demand attention. - β€’ **Plug & Play Simplicity:** Active buzzer design means instant sound on power-upβ€”no extra drivers needed. - β€’ **Versatile Voltage Range:** Seamlessly operates from 3V up to 24V DC for ultimate compatibility. ## Overview The SFM-27-W is a high-decibel (90dB) active piezoelectric buzzer designed for DC power supplies ranging from 3V to 24V. Compact and easy to install, it delivers continuous sound immediately upon power-up without additional drivers. Ideal for vehicle alarms and security systems, it operates reliably across a wide temperature range and comes with a 1-year quality warranty. ## 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: 3.0Β±0.2KHZ Operating Temperature: -20+45 Degree C Storage Temperature: -20+60 Degree C Package Includes: 3Γ— 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: 3Β±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 | #9,226 in Electronics ( See Top 100 in Electronics ) #23 in Security Horns & Sirens | | Brand | WEICHUANG | | Color | black | | Compatible Devices | DC Powered Devices | | Control Method | Touch | | Customer Reviews | 4.5 out of 5 stars 327 Reviews | | 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 | | Product Dimensions | 1.18"L x 1.18"W x 0.59"H | | 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 ![3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W - Image 1](https://m.media-amazon.com/images/I/61K2+rI5z+L.jpg) ![3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W - Image 2](https://m.media-amazon.com/images/I/61EvrBUa1zL.jpg) ![3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W - Image 3](https://m.media-amazon.com/images/I/51uGJCh-AFL.jpg) ![3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W - Image 4](https://m.media-amazon.com/images/I/51XwGRXW8-L.jpg) ![3PCS DC 3-24V 90dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Black) SFM-27-W - Image 5](https://m.media-amazon.com/images/I/51nzcM3XtvL.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 - VWEICYY 9V Battery Connector,10 PCS T-Type 9 Volt Buckle Connector Hard Plastic Shell Used in Student Experiment,or Other Equipment with Battery(T-Type, 10PCS) - 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) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/289427904-3pcs-dc-3-24v-90db-active-piezo-electronic-buzzer-beep](https://www.desertcart.vu/products/289427904-3pcs-dc-3-24v-90db-active-piezo-electronic-buzzer-beep) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-07-09*