Natural Daylight Solution for Mobile Dental Photography. Color rendering index (CRI) is the index to express how similar a specific light is to natural daylight in percentage. The CRI of natural daylight, therefore, is expressed as 100 Ra. COCO Lux features natural daylight properties (color temperature 5,500K / CRI 90 Ra+) by utilizing LED to take advantages for the accurate shade and color determination. COCO Lux is compatible with any kind of mobile / smart phone in use with a width from 55mm to 89mm. Lighting module on COCO Lux is adaptable to two flash modes (ring & twin flash). The curved lighting part is rotating 90 degrees in order to utilize twin flash mode in both vertical and horizontal way. By working with COCO Lux and smartphones, easy sharing diverse pictures with relevant co-working partners becomes a simple and instant task. After sharing such pictures as hade-taking, new patient’s case, restorations, etc., interact with your co-workers and partnerships to discuss on the picture. Higher level of cooperative work is in your hands.