Product Description PHILIPS has 35+ years’ experience in UV-C lighting and strong application expertise. Check the product website for safety usage information. 1.Disinfection effectiveness will vary depending on disinfection time, distance, and type of surface/object. See product manual/webpage for details. 2. Fluence (UV Dose) Required to Achieve Incremental Log Inactivation of Bacteria, Protozoa, Viruses and Algae Revised, updated and expanded by Adel Haji Malayeri, Madjid Mohseni, Bill Cairns and James R. Bolton. With earlier contributions by Gabriel Chevrefils (2006) and Eric Caron (2006) With peer review by Benoit Barbeau, Harold Wright (1999) and Karl G. Linden. Safety Warning 1. Disinfection effectiveness will vary depending on disinfection time, distance, and type of surface/object. See product manual/webpage for details. 2. Fluence (UV Dose) Required to Achieve Incremental Log Inactivation of Bacteria, Protozoa, Viruses and Algae Revised, updated and expanded by Adel Haji Malayeri, Madjid Mohseni, Bill Cairns and James R. Bolton. With earlier contributions by Gabriel Chevrefils (2006) and Eric Caron (2006) With peer review by Benoit Barbeau, Harold Wright (1999) and Karl G. Linden. 3. Disinfection effectiveness will vary depending on the disinfection time, distance, and type of surface / object. Calculation references: Living Room – 28m2 with 3m range | Bedroom – 20m2, 2.5m range | Washroom – 13m2, 2m range.