Offering color temperatures from 2700K to 6500K and >80 CRI, human-centric LED Light Troffer retrofit kit creates comfortable and natural light in hospitals, wellness centers, senior living, and other healthcare facilities as well as office and commercial buildings and retail environments. Light panel uses 38 W LED source and mimics natural Kelvin changes of sun throughout day in 2 x 2 ft troffer. Unit can run automatically and also lets end-user change lighting with one of several presets.