The two flex cables are microsoldered to the display backlight and connect to the display daughter board. Replace the two defective left or right display backlight flex cable to keep your 2016 to 2019 model with for Retina Display happy and healthy. Our Backlight Cable are individually tested and guaranteed to function perfectly. Note:Due to different production batches, if the label words are different, it does not affect the use of the product. Colour:Black Material:Plastic Package Contents: 2 * Screen Flex Cable Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.