--- product_id: 439946009 title: "QWORK® 20 Pcs Electronic buzzer , 3-12V piezoelectric buzzer 85dB , for physical circuits continuous sound electronic buzzer alarm , cable length 50mm" brand: "qwork" price: "฿2097" currency: THB in_stock: true reviews_count: 13 category: "Qwork" url: https://www.desertcart.co.th/products/439946009-qwork-20-pcs-electronic-buzzer-3-12v-piezoelectric-buzzer-85db store_origin: TH region: Thailand --- # 3-12V versatile voltage 85dB loudness 50mm cable length QWORK® 20 Pcs Electronic buzzer , 3-12V piezoelectric buzzer 85dB , for physical circuits continuous sound electronic buzzer alarm , cable length 50mm **Brand:** qwork **Price:** ฿2097 **Availability:** ✅ In Stock ## Summary > 🚨 Elevate your alerts with QWORK’s buzzer brilliance! ## Quick Answers - **What is this?** QWORK® 20 Pcs Electronic buzzer , 3-12V piezoelectric buzzer 85dB , for physical circuits continuous sound electronic buzzer alarm , cable length 50mm by qwork - **How much does it cost?** ฿2097 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/439946009-qwork-20-pcs-electronic-buzzer-3-12v-piezoelectric-buzzer-85db) ## Best For - qwork enthusiasts ## Why This Product - Trusted qwork brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Simplicity:** Instant continuous beep on connection—no hassle, no fuss. - • **Powerful 85dB Sound Output:** Cut through the noise with crystal-clear alerts. - • **Wide Voltage Compatibility:** Seamlessly integrates with 3-12V circuits for ultimate flexibility. - • **Universal Application Ready:** Perfect for alarms, toys, automotive devices, and more—stay ahead in every project. - • **Durable Flame-Retardant ABS Build:** Engineered to last with eco-friendly, heat-resistant materials. ## Overview The QWORK® 20 Pcs Electronic Buzzer set features 85dB piezoelectric buzzers operating within a 3-12V range, housed in durable, flame-retardant ABS. With a compact 12mm diameter and 50mm cable length, these buzzers deliver continuous, multi-harmonic sound ideal for diverse electronic applications including alarms, automotive devices, and consumer electronics. ## Description Shop QWORK® 20 Pcs Electronic buzzer , 3-12V piezoelectric buzzer 85dB , for physical circuits continuous sound electronic buzzer alarm , cable length 50mm. Free delivery on eligible orders of £20 or more. Review: Good for DIY hobby work - Good size for diy staff and very strong sound. Review: Does the job - Good quality ## Features - Stable structure: made of high quality ABS material, environmental friendly, flame retardant and durable. An integrated electronic vocalizer consisting of multi-harmonic oscillator, piezoelectric buzzer chip, impedance matching unit, resonator and housing. - Rated voltage: 12V; Voltage range: 3-12V; Resonance Frequency : 2.8 ± 0.5KHz - Wire length: 5cm/2" ; Diameter: 12mm / 0.47" Sound pressure level: 85dB. - Easy to operate: connected to the rated power supply, the buzzer beeps continuously, simple and convenient to use. - Application: Widely used as a buzzer for the circuit of electronic products such as computers, printers, copiers, alarms, electronic toys, automotive electronic devices, telephones, timers, etc. as an audible device. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09RFH1T8J | | Battery Description | Alkaline | | Best Sellers Rank | 29,698 in DIY & Tools ( See Top 100 in DIY & Tools ) 25 in Sirens | | Brand | QWORK | | Colour | Black | | Control Method | Touch | | Country of Origin | China | | Customer Reviews | 4.4 4.4 out of 5 stars (340) | | Global Trade Identification Number | 00734900622771 | | Item Dimensions L x W x H | 12L x 12W x 9H millimetres | | Manufacturer | QWORK | | Mounting Type | Wall Mount | | Power source | Battery Powered | | Sensor Technology | Piezoelectric Sensor | | Sound Level | 85 Decibels | | UPC | 734900622771 | | Voltage | 12 Volts | ## Product Details - **Battery description:** Alkaline - **Brand:** QWORK - **Colour:** Black - **Power source:** Battery Powered - **Product dimensions:** 12L x 12W x 9H millimetres ## Images ![QWORK® 20 Pcs Electronic buzzer , 3-12V piezoelectric buzzer 85dB , for physical circuits continuous sound electronic buzzer alarm , cable length 50mm - Image 1](https://m.media-amazon.com/images/I/71zocbO2JQL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Can these be supplied DC, that is to say, for instance, a battery?** A: They are for use with a DC power source. I've used them with 12v but they are rated for down to 3v but can't say I have tested that. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good for DIY hobby work *by G***M on 16 June 2025* Good size for diy staff and very strong sound. ### ⭐⭐⭐⭐⭐ Does the job *by W***. on 6 September 2025* Good quality ### ⭐⭐⭐⭐⭐ Good value. *by R***S on 30 July 2025* What can I say. It's a bag of buzzers for not much money. Works as they should. ## Frequently Bought Together - QWORK® 20 Pcs Electronic buzzer , 3-12V piezoelectric buzzer 85dB , for physical circuits continuous sound electronic buzzer alarm , cable length 50mm - 30PCS Crocodile Clips Electrical Test Leads with Alligator Clips Double-end Jumper Cables Crocodile Clip Test Wires Electrical Crocodile Clips Leads Circuit Connection/Experiment, 21 inches 5 Colors - Amazon Basics AA Alkaline Batteries, Industrial Double A, 5-Year Shelf Life, 40-Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/439946009-qwork-20-pcs-electronic-buzzer-3-12v-piezoelectric-buzzer-85db](https://www.desertcart.co.th/products/439946009-qwork-20-pcs-electronic-buzzer-3-12v-piezoelectric-buzzer-85db) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-28*