This siren includes 13 tones all together, with support for a FiveM version for extra tones as well as SP/SM version for non-edited tones.
To hear a demo of this siren, Watch this video: https://youtu.be/WSJdUczZDqw
For installation guides, These links here will help you install your sirens!
FiveM Guide: https://youtu.be/eEMkgWAoKSQ