CRI stands for Color Rendering Index, or the way that a light source properly illuminates and renders colors throughout the color spectrum. The higher the CRI rating (0-100) the more vibrant and pure colors will look under the lighting source. Our new ≤ 90 CRI Ribbon Star Ultra White LED Strip Lights have a color rendering index of equal to or greater than 90 and an impressive lumen output of 430 lumens per foot. Not only will the 90+ CRI enhance the look of any display, exhibit, cabinet, signage or general illumination, but the high lumen output will ensure a bright and crisp light in any indoor lighting application. This UL Listed 118" (3m) ribbon can be cut every inch and has many quick connection options for easy connection and use. Comes with 3M™ mounting tape on the back, for the best long-term mounting solution. 3 high output 3020 Epistar SMD LEDs per inch with an output power rating of 5.4W per foot. Each 118" roll of LED Strip Light comes with two quick connectors to bare lead wire. We recommended that you mount this strip to steel or aluminum, for a good heat sink. Requires a 12VDC Constant Voltage power source. 6000-6500K Color Temperature, UL Listed for class 2 low voltage luminaries and fixtures, RoHS and CE approved.