With Indigo-Clean, a ceiling-mounted light fixture that uses a safe, visible light to provide continuous disinfection of a room's air and surfaces. Choose white disinfection mode for ambient lighting and environmental disinfection while a room is occupied. Switch to Indigo Disinfection Mode for maximum disinfection when a room is empty. Automatically kills MRSA, C. diff, E. coli and a wide range of other pathogens. No special training required.