THE COLOUR OF LED LIGHT Correlated Colour Temperature, or CCT, is the technical term for the colour appearance of white LEDs and is measured in Kelvins (K).
CRI AND R9: WHAT'S THE DEAL? Colour Rendering Index, or CRI, is a term used to describe the measure of how well light sources render the colour of the objects they illuminate.
VOLTAGE DROP & LED RIBBON Voltage drop will always occur across the PCB of Linear LED Ribbon and electrical cable. In a lighting installation this may result in diminished light or lumen output.