Welcome to the Siren Wiki
Welcome to the Siren Wiki. we Discuss:Air Raid and Tornado Sirens And Indoor Siren-Speakers or Alarms.. If you Have an Picture Of An siren thats Possibly Rare Post it in http://airraidsiren.wikia.com/wiki/Special_Siren_Gallery!
Updates and Activity..
Here is a Four-Tone siren Diagram