價格：免費
檔案大小：26.4 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
In the Netherlands, the police use a different sound than an ambulance or fire department. With this app you can hear the differences between the sirens used by emergency services. The app also contains a button that allows the siren to be played twice as fast.
支援平台：iPhone, iPad