Supplementary to Audible Alarms: VADs are significantly efficient in substantial-sounds spots or exactly where hearing safety is worn, supplementing regular audible alarms. A VAD or Visual alarm unit is actually a sort of emergency alert method that provides a visible cue to folks throughout an crisis. Information Dissemination for Users: https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/