Siren Mastery   SUPPORT IS NO LONGER OFFERED - FEEL FREE TO HELP UPDATE THE CODE  Siren Mastery is now open source. https://github.com/Albo1125/SirenMastery Siren Mastery is a script modification that allows you to master your siren tones. Toggle to your secondary siren at the press of a key/button, silence your siren using any key/button you like and even control exactly which 'secondary' siren plays! You can be up and running with Siren Mastery within 5 minutes