I don't know what make of sirens these are but i know they use this siren tone https://www.youtube.com/watch?v=qKCYFJNSj4o but yeah anyone know what type or brand they might be? they are in wanganui New Zealand photos here https://gyazo.com/40c5dc6d28fcef4ae38777d76592ec94 https://gyazo.com/1d2a6bad...