Siren Modulator can be use in many diffrent projects from Fire brigade or Police vechicles models up to seriouse Alarm systems. With this NODE you will be able to control sound frequency range nad sequence lenght.
To use the nodes in your project you should have the garage-make-zone/siren-modulator library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.