Visual Alarms: Employ light-weight to sign emergencies, Specifically effective in noisy configurations and for people with hearing impairments. To be able to prevent discrimination, BS EN 54-23 compliant VADs may be put in in all sanitary accommodation (not just WCs) and all hotel bedrooms, university student accommodation and equivalent Attributes, https://webnowmedia.com/story3924642/top-latest-five-addressable-sounders-urban-news