Supplementary to Audible Alarms: VADs are especially productive in higher-sounds areas or wherever hearing safety is worn, supplementing common audible alarms. Dependant on what I’ve observed of Vids to this point, it appears to get roughly Whatever you’d get for those who transformed Google Slides right into a online video https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/