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Review on πŸ”” Shopcorp MS-390: High Decibel Industrial Motor Alarm Bell Horn Sound Buzzer Siren for Enhanced Security (112 Decibels) by Brent Porter

Revainrating 5 out of 5

Interesting Article in Security & Surveillance

Cool part. It produces sounds on the same principle as a whistle. air through holes. Aside from that, the air is powered by a high-speed impeller motor housed in a steel cage body. Design is what makes the siren sound. If you're into safety or want to upset your neighbors, this is for you.

Pros
  • MULTIPLE APPLICATIONS - Designed with 2 wires. Suitable for home, office, factory, school, shop, hotel, public place, etc.
Cons
  • No finish