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  • Cylewet 5Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Beep (Pack of 5) CLT1083
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Cylewet 5Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Beep (Pack of 5) CLT1083

4.3 out of 5 stars 218 ratings
To see product details, add this item to your cart. You can always remove it later.

Purchase options and add-ons

  • Length of Wire: 11cm /4.3in
  • Diameter: 3cm /1.2in
  • Rated Voltage: 12V; Range of Voltage: 3-24V
  • Rated Current: 15mA at 12VDC
  • Sound Pressure Frequency: 100dB at 12VDC /30cm

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Product information

Technical Details

Manufacturer ‎Qianxin
Part Number ‎CLT1083
Parcel Dimensions ‎12.2 x 8.6 x 2.4 cm; 40 g
Manufacturer reference ‎CLT1083
Is discontinued by manufacturer ‎No
Batteries Included? ‎No
Batteries Required? ‎No
Item Weight ‎40 g

Additional Information

ASIN B07HDYSY1V
Customer Reviews
4.3 out of 5 stars 218 ratings

4.3 out of 5 stars
鶹 Rank
Date First Available Sept. 16 2018

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Cylewet 5Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Beep (Pack of 5) CLT1083

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Product description

Length of Wire: 11cm /4.3in
Diameter: 3cm /1.2in
Rated Voltage: 12V
Range of Voltage: 3-24V
Rated Current: 15mA at 12VDC
Sound Pressure Frequency: 100dB at 12VDC /30cm
Resonant Frequency: 2.5±0.5KHZ
Operating Temperature: -20+45℃
Storage Temperature: -20+60℃

Package Includes:
5× SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder

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Customer reviews

4.3 out of 5 stars
218 global ratings

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Customers say

Customers like the functionality of the product. They mention it works well as an alarm system for water tanks and are very pleased with the quality. However, some customers have mixed opinions on the volume.

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FunctionalityVolume
16 customers mention "Functionality"16 positive0 negative

Customers like the functionality of the product. They mention it works well as an alarm system for water tanks and are very pleased with the quality.

"...I have them setup as a over temperature alarm in my tractor, and work great...." Read more

"Work great, came fast, and good value for money!" Read more

"Used them as the beeper on a seadoo. Works awesome. Waaay less than originals. We will see how long it lasts...." Read more

"very efficient and loud little speakers for projects. Very pleased with the quality. Excellent seller." Read more

25 customers mention "Volume"17 positive8 negative

Customers have mixed opinions about the volume of the product. Some mention it's loud, good reproduction of sound, and increases with voltage. However, others say the noise is old and irritating.

"I found this buzzer was good and loud...." Read more

"Exactly what i expected. Cheap little sirens that are loud as heck!..." Read more

"...Hooked it in and it works fine, a little louder than I would like but it does get me to turn off the headlights before I leave the car." Read more

"Needed buzzers for water alarms. These are LOUD and put out a better and slightly lower frequency than most. Perfect for my needs...." Read more

Top reviews from Canada

  • Tom
    5.0 out of 5 stars Exactly what you expect
    Reviewed in Canada on August 30, 2022
    Verified Purchase
    Exactly what i expected. Cheap little sirens that are loud as heck!

    I have them setup as a over temperature alarm in my tractor, and work great. Alerts me whenever something is going on so I don’t risk damage over heating anything.
    Helpful
     Report
  • grtbluyonder
    5.0 out of 5 stars lightning fast delivery, low price, and these are loud
    Reviewed in Canada on October 21, 2021
    Verified Purchase
    Needed buzzers for water alarms. These are LOUD and put out a better and slightly lower frequency than most. Perfect for my needs. Input voltage is from 3.3 to 24 volts to operate so they work in just about any circuit you would build.
    2 people found this helpful
    Helpful
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  • James Michaud
    4.0 out of 5 stars They don't produce a continuous beep, they beep on and off
    Reviewed in Canada on July 16, 2023
    Verified Purchase
    Product suit the purpous as a signal light warning noise but would have prefered one the had continuous beep and not intermitent
    One person found this helpful
    Helpful
     Report
  • Dieter Grzella
    3.0 out of 5 stars good reproduction of sound
    Reviewed in Canada on September 21, 2024
    Verified Purchase
    but , one out of 5 didnt work at all . that's 25 % failure !!!!!!!
    It would cost too much on my end and amazon's to return it !
    one would have to use Gasoline and time to do it !
    Dieter
    Helpful
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  • Tim
    5.0 out of 5 stars Works good so far
    Reviewed in Canada on September 21, 2021
    Verified Purchase
    Used them as the beeper on a seadoo. Works awesome. Waaay less than originals. We will see how long it lasts. I don’t mind if it does I have 4 more and it beeps when it starts so I know!
    One person found this helpful
    Helpful
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  • Ulises .
    5.0 out of 5 stars Good
    Reviewed in Canada on October 17, 2024
    Verified Purchase
    Good
    Helpful
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  • Ron
    5.0 out of 5 stars great little piezo speakers
    Reviewed in Canada on July 19, 2020
    Verified Purchase
    very efficient and loud little speakers for projects. Very pleased with the quality. Excellent seller.
    Helpful
     Report
  • Alethea Lymworth
    4.0 out of 5 stars Nice clear tone, but ...
    Reviewed in Canada on May 14, 2023
    Verified Purchase
    I was expecting a constant tone. They actually go beep - beep - beep - ..... 0.5sec ON/0.5sec OFF
    It's not unpleasant but it's not what I was looking for. 3.2V is the minimum for reliable operation, and the volume is nice - loud enough to hear in the next room but not unpleasant close-up. Volume goes up with voltage (at least it does up to 10V), so does current (3V:5mA / 5V:10mA / 10V:20mA) It would be hard not to hear it anywhere in the house unless you are having a party. I'm thinking of making various alarms - loss of power to an outlet, water leakage, raccoon on the deck etc and these should be good for that.
    Helpful
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