The anova pro bi colour led light from rotolight is a high power led light with a variety of user friendly features up to 43 brighter than the previous generation of led lights the rotolight anova pro bi colour led light delivers exceptional colour rendering with a colour rendering index of 96 and has dual controls to allow the user to accurately adjust the colour between 6300k 3150k the true aperture dimming technology included within the light calculates and displays the correct aperture