you may use this free model of siren head it's high quality to :) and remember to put this in your backpack if i doesn't work use export and you may animate it to do anything you want :)
you must have this in your credits when you use this [Thanks to TRIPOD_DUDE_72 for the siren head model and sounds] and send me the link so i can see your amazing projects (BTW this took me hours to make so you better like it and if you do I'd be happy but you don't have to)
