Supplementary to Audible Alarms: VADs are significantly productive in substantial-noise areas or where by Listening to defense is worn, supplementing standard audible alarms. So that you can keep away from discrimination, BS EN 54-23 compliant VADs could possibly be installed in all sanitary accommodation (not simply WCs) and all lodge https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/