Visual Alarms: Utilize gentle to sign emergencies, Primarily effective in noisy settings and for those with hearing impairments. So that you can avoid discrimination, BS EN 54-23 compliant VADs might be set up in all sanitary accommodation (not only WCs) and all hotel bedrooms, pupil accommodation and equivalent Homes, As https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/