We use cookies on our Web site to provide you with the most suitable working experience by remembering your Tastes and repeat visits. By clicking “Accept”, you consent to the use of All of the cookies. VADs, VIDs, and EN54-23 compliance can be perplexing, especially when you simply want to https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/