CRI is the scale that measures the ability of a light source to faithfuly reproduce color
Beam Angle
Generally speaking, the farther the light source is from target area, the smaller the beam angle required to effectively illuminate the space
Correlated
Color
Temperature
A specification of the color appearance of the light emitted by a lamp, relating its color to the color of light from a reference source when heated to a particular temperature, measure in degrees Kelvin (K)