Federal Signal Smart Siren SSP3000B for GTA V.
In this pack you will get :
~ Wail
~ Yelp
~ Pier*
~ Manual/Bullhorn
And i added siren for the fire truck that is EQ2B and also Aurhorn.
Here is a video that i made so you can hear the sirens.
https://www.youtube.com/watch?v=Rg7aBVxGKzQ&feature=youtu.be
Enjoy!