Industry-leading LED backlight with 120 Hz refresh The new 55 Radiance G2 display utilizes the latest LED backlight and 120 Hz refresh rate technology. It also features NDSsis proprietary Color Correction Technology (CCT), which enables the display to conform to the BT.709 HDTV color standard. The precise color calibration achieved using CCT ensures consistent color response across the entire family of Radiance G2 displays. Surgeons can now have the clinical confidence that the endoscopic image they view in different rooms and on different size displays are exactly the same. Compliant with the 3rd Edition medical safety standard and RoHS requirements, the 55 Radiance G2 display is a future-proof investment.