Hariendny SFM-27-W Active Piezo Electronic Buzzer Alarm Sounder DC 3-24V 90dB Continuous Beep Tone For Arduino Projects Pack Of 4
Why you'll like it
- Versatile Voltage Compatibility — Operates effectively across a wide DC 3 to 24 volt range for use in various electronic circuits.
- Powerful Audible Alert — Produces a consistent 90 decibel continuous beep sound suitable for effective alarm and warning systems.
- Easy Installation — Features integrated pre-wired leads for direct connection to microcontrollers like Arduino and Raspberry Pi.
- Compact Design — Small form factor allows for simple mounting in tight spaces within machinery, ovens, or DIY project enclosures.
Product details
Description
The Hariendny SFM-27-W Active Piezo Electronic Buzzer is a essential component for electronics hobbyists, engineers, and DIY enthusiasts. Designed for reliability and ease of use, this buzzer module provides a high-decibel continuous beep sound, making it perfect for warning systems, alarms, and status indicators in various electronic projects. Whether you are working with an Arduino, Raspberry Pi, or general automotive modifications, this unit delivers consistent performance.
The buzzer operates on a versatile direct current voltage range of 3 to 24 volts, allowing for seamless integration into diverse circuit designs without the need for complex external circuitry. With an integrated internal oscillator, it functions as a plug-and-play solution. Each unit features convenient pre-wired leads, simplifying the installation process in compact enclosures or breadboards. Measuring approximately 4.8 centimeters by 3 centimeters by 1.5 centimeters, it is compact enough to fit into most equipment cabinets, industrial panels, or experimental prototypes while maintaining a powerful output of 90 decibels. Built with durable materials, this active buzzer ensures long-lasting sound alerts for your security or monitoring applications.
How to use
- Connect the red wire to the positive terminal of your DC power source (3-24V) and the black wire to the negative terminal.
- The buzzer will automatically emit a continuous beep sound once power is supplied.
- Ensure the voltage applied does not exceed the 24V limit to prevent damage to the internal piezoelectric element.
Ingredients
ABS plastic housing, piezoelectric ceramic element, copper wiring, and integrated electronic drive circuitry.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Hariendny |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What is the operating voltage range for the SFM-27-W buzzer?
This buzzer is designed to operate within a wide direct current voltage range of 3 to 24 volts. It is compatible with standard 12 volt power sources commonly used in electronics projects.
Does this buzzer require an external circuit to function?
No, this is an active buzzer, meaning it has an internal oscillator. It will produce a continuous sound as soon as the correct DC power is applied to the leads.
What is the typical sound output of this device?
The buzzer produces a powerful and clear continuous beep sound rated at approximately 90 decibels when measured at a standard distance.
Are these products authentic imports?
Yes, all products sold by Dropy India are authentic imports sourced directly from the USA, ensuring you receive genuine electronic components.
Can this be used for automotive warning systems?
Yes, its wide voltage range and high decibel output make it highly suitable for automotive modifications, including security alerts and status notifications.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.