Ketra offers the most advanced lighting system in the world, delivering high quality light that's as dynamic as the sun itself. Shifting in color temperature from crisp and bright during the day to soft and warm in the evening, the innovative system was developed to meet the growing need for indoor spaces that promote wellness, productivity, and comfort among occupants. Ketra’s Natural Light gives cues that inform patterns of sleep and daytime activity, encouraging people to live healthier, more productive lives. The system is comprised of LED lighting, controls, software, and patented driver chip technology.