Stylish LED ceiling light Ratio with CCT colour changing function Due to its discreet design, the Ratio ceiling light easily fits into any interior style. The lamp has a modern LED technology and is equipped with a CCT color change function to change the light color, which can be controlled via the supplied remote control. The clear lines create a positive mood and a wide-area room illumination. Thanks to the bright colour design, Ratio can be well integrated into various colour concepts.