We use cookies on our website to give you the most related knowledge by remembering your Choices and repeat visits. By clicking “Take”, you consent to the use of ALL the cookies. VADs, VIDs, and EN54-23 compliance may be confusing, particularly when you just want to make sure that you https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/