VIDs: Give supplementary details and advice, improving Total safety infrastructure inside of properties. Jobs drop into the subsequent classes: online video; pictures; art; interior design and style and architectural scientific studies; textile and attire administration; strategic communications and graphic layout; theatre; and an open class. Appliances and speakers mechanically synch... https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/