Suitability and Compliance: Regulate facilities throughout the premises need to be tailor-made to support the meant fire and evacuation techniques. This is particularly critical for buildings with intricate layouts or unique basic safety challenges. VIDs are appropriate for use as a supplementary warning unit together with audible sounders but aren't https://www.firesense.co.uk/type/conventional-fire-system/conventional-sounders-vids-vads/