SEARCH IN Search All Audible/Visible Notification Products Conventional Detection Products HVAC Systems Monitoring Products Intelligent Detection Products Sprinkler Systems Monitoring Products LifeSafety Newsletter Articles FOR LifeSafety Newsletter – Current Issue Home About Our Company New Products    SpectrAlert Advance    Speakers and    Speaker Strobes    Carbon Monoxide    Detector    ExitPoint Directional    Sounder with    Voice Messaging Product Support & Install/Specify Online Training Seminars new! Contact Us Careers Privacy Statement Conventional Detection Audible/Visible Notification HVAC Systems Monitoring Sprinkler Systems Monitoring Intelligent Detection Equivalent Facilitation About Equivalent Facilitation   Examples of Equivalent Facilitation Calculations   Select the candela of your ceiling strobe Candela: 15 30 75 95 110 115 135 150 177 185 Square Room Size (ft.)*: *Input the length of the longest wall Ceiling Height (ft.):