Answer / shameer.j

It represents color correlation temperature.

Answer / sagar

It's colour temperature.
there is different different temperature for different colour.
6500k is means 6500 kelvin colour temperature of lighting.
6500k in the lighting is daylight source(cool white colour)

Answer / karthik_elec

6500k means 6500 kelvin

Answer / varun

it the temperature in celcius.

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