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Item #:
86079671
10PCS SFM-27 95DB High Decibel Alarm Siren DC 3-24V Electronic Buzzer Alarm Sounder Continuous Beep Alert Sound Module for Arduino
Item #:
86079671
ZMW 383
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Integrated electronic sounder with stable performance and long service life, producing a continuous tone at 95dB.
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What Stands Out
High Decibel Alert
Generates an impressive 95DB sound level, ensuring alerts are heard clearly in noisy environments, enhancing safety and responsiveness for users.
Versatile Voltage Range
Operates efficiently from 3 to 24V, making it compatible with various electronic projects, including Arduino, offering flexibility in different applications.
Compact Pack Quantity
Includes ten units in one package, providing exceptional value for developers and hobbyists needing multiple sound modules for diverse projects.
Product Details
| Power Source | Corded Electric |
| Voltage | 24 Volts |
| Control Method | Touch |
| Audible Noise | 95 Decibels |
| Mounting Type | Wall Mount |
| Color | Black |
| Brand | Geekstory |
| Item Weight | 0.13 Pounds (60 grams) |
| Manufacturer | Geekstory |
| Mfr Part Number | SFM-27 |
| Model Number | SFM-27 |
| Item Type Name | Alarm Siren |
Who Should Buy?
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Arduino Enthusiasts
Perfect for hobbyists or professionals using Arduino for projects requiring sound notifications or alarms.
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Security Systems
Ideal for integrating into DIY security systems needing high-decibel alerts for intrusions or breaches.
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Educational Purposes
Useful for teaching electronics students about sound modules and alarm systems in practical applications.
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Low-Noise Environments
Not suitable for use in settings requiring minimal sound levels due to its high decibel output.
Product Description
10PCS SFM-27 95DB High Decibel Alarm Siren DC 3-24V Electronic Buzzer Alarm Sounder Continuous Beep Alert Sound Module for Arduino
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the sound output of the SFM-27 alarm siren?
Answer: The SFM-27 alarm siren produces a high decibel sound measured at 95DB, ensuring that it can be heard over reasonable distances. This high volume makes it ideal for applications where alertness is crucial, such as in security systems or alarm projects. Whether used in home automation or industrial settings, its loud sound output ensures that users will be alerted in a timely manner. -
Question:
Can the SFM-27 be powered using batteries?
Answer: Yes, the SFM-27 high decibel alarm siren can be powered using a DC voltage range of 3-24V, making it compatible with various battery setups. This versatility allows users to integrate it into portable projects or remote installations without needing an external power source. It's perfect for Arduino projects where mobility and ease of setup are paramount. -
Question:
Is the SFM-27 compatible with Arduino?
Answer: Absolutely! The SFM-27 alarm siren is designed to work seamlessly with Arduino boards. You can easily connect it to an Arduino setup and use programming to control when it activates. This makes it an excellent choice for custom projects like alarm systems, alert notifications, or even interactive installations that respond to user actions or environmental changes. -
Question:
What applications are ideal for the SFM-27 siren?
Answer: The SFM-27 electronic buzzer is suitable for various applications, including security alarms, notification systems, and interactive projects. It can be used in personal safety alarms, automated alert systems for monitoring environments, or even as part of educational projects that demonstrate sound signaling. Its robust sound output and easy integration features make it a versatile tool for hobbyists and educators alike. -
Question:
How does the SFM-27 compare to other alarm systems?
Answer: The SFM-27 stands out due to its high decibel output and flexibility in power supply, compared to other alarm systems. Unlike traditional alarms that may require complex wiring, the SFM-27 easily connects to microcontrollers like Arduino. This accessibility for both beginners and experienced users makes it a favored choice for DIY alarm projects, providing strong performance at a compact size. -
Question:
What is the size of the SFM-27 alarm sound module?
Answer: The SFM-27 alarm sound module is compact in design, making it suitable for a variety of projects without taking up too much space. While specific dimensions could vary, its small footprint enables it to be easily incorporated into smaller devices and enclosures. This feature is particularly useful in DIY applications or when space constraints are an issue. -
Question:
How can I integrate SFM-27 into a home automation system?
Answer: Integrating the SFM-27 into a home automation system can be achieved by connecting it to your central microcontroller, such as an Arduino or Raspberry Pi. By employing appropriate coding, you can create automated alerts for different scenarios, such as door sensors triggering the siren when movement is detected. This integration serves to enhance security and provide a responsive alert system within your smart home environment. -
Question:
What type of signal does the SFM-27 produce?
Answer: The SFM-27 produces a continuous beep alert sound, which is effective for attracting attention quickly. This type of sound is particularly useful in emergency alerts or warning systems where immediate recognition is necessary. The sound’s frequency and intensity make it hard to miss, ensuring that alerts are noticed even in noisy environments. -
Question:
Can the SFM-27 sound module be used outdoors?
Answer: While the SFM-27 can be utilized outdoors, it is essential to consider its environmental exposure. Installing it in a weatherproof enclosure will help protect it from moisture and extreme temperatures, ensuring longevity and reliable performance. Outdoor usage scenarios might include garden alarms or outdoor security systems that require loud alerts to deter intruders. -
Question:
Where can I buy the SFM-27 alarm siren in Zambia?
Answer: You can easily purchase the 10PCS SFM-27 95DB High Decibel Alarm Siren from Ubuy in Zambia. Ubuy offers a reliable shopping platform, delivering various electronic components, including this alarm sound module. With Ubuy, you can access a wide range of products, simplifying your search for the SFM-27 to enhance your projects effectively.
Geekstory Horns & Sirens SFM-27 Editorial Review
**Editorial Review of the 10PCS SFM-27 High Decibel Alarm Siren** The 10PCS SFM-27 High Decibel Alarm Siren has garnered a positive reception from customers who are seeking effective sound alert solutions for various projects. Many users have employed these electronic buzzers for DIY applications such as Morse code practice boards and home security enhancements. With impressive sound output reaching 95DB, the sirens are recognized for their loudness, which some users have noted may even be Considered excessively loud for certain environments. Customers have appreciated the versatility of these buzzers, particularly in home security systems, where they can be strategically placed to alert residents and deter potential intruders. The ease of deployment is a highlighted feature; users can quickly connect them to a DC power source and integrate them into their existing setups, particularly with microcontrollers like the ESP32 or Raspberry Pi Pico. DIY enthusiasts are particularly inclined towards these devices, as they lend themselves well to various configurations and projects. Despite a minor confusion in specifications regarding operating voltage, users found that running the sirens at recommended voltages yielded satisfactory performance. Customers have ambitious ideas for their usage, envisioning robust installations across properties that not only sound alarms but also flash lights for attention. The sirens' adaptability to both battery and wired setups—coupled with their affordability—makes them a practical choice for those looking to step up their home security game or embark on new projects. **
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Pros
- Loud sound output (95DB) adequate for security purposes.
- Easy to use and connect to various power sources.
- Suitable for DIY projects with components like microcontrollers.
- Affordable price point for bulk purchase (10-pack).
- Versatile applications for home security and educational projects.
Cons
- Confusion regarding operating voltage specifications.
Platform Trust & Buyer Confidence
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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22-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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Features & Benefits
- High volume output of 95dB ensures loud alerts.
- Wide voltage range from DC 3-24V for versatile use.
- Compact design with a diameter of 29mm and height of 15mm.
- Includes 10 pieces for great value.
- Ideal for various electronic devices, enhancing safety and notifications.
- Long-lasting performance guaranteed in varied conditions.
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