110dB Fixed Tone Siren

SeeedStudioSKU: RB-See-128
Manufacturer #: 107100000

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Description

• Scream out loud - 110dBA fixed tone Siren
• Passive piezoelectric type buzzer, made of plastic, very eye catching colors
• Includes build-in signal generator, just power on 6-12V and it will scream out loud
• For security use only
• Caution: may cause damage to human ears

Customer Reviews

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T
TheBestJohn
It does what you'd expect...

This thing is LOUD! I used it for a few projects, one of which is an alarm clock. You can only really stand it if you pulse it for half a second or so. It should be noted that if you have a decent power supply (like a lipo battery) you can actually make this sound off at much lower voltages than 6v. I had it working off a 3.3v pin on my ESP8266. For your information: The jack is positive centre, meaning that the tip is positive and the base is negative.

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