HF Alarm app for iPhone and iPad 4.6 ( 8096 ratings ) Utilities Developer: Jack Wu Free Current version: 1.2.15, last update: 1 year ago First release : 31 Dec 2020 App size: 46.76 Mb 透過雲端平台,將屋內住警器資訊智慧化,並與行動通訊裝置結合,在遠端就能監控及掌握屋內環境資訊,以利降低火災風險,提高自主抗災能力。