Features: Bright: Lumen ring Bi-Color with up to 2900lux (0.5m) at 5500 Kelvin Adjustable colour temperature: The colour temperature is between 3200 Kelvin and 5500 Kelvin Great effects: 504 LEDs form a natural, ring-shaped reflection in the eye Colour-true photos: Excellent CRI of over 95% for true-colour