The new UT27 High CRI Three Color Temperatures Lightweight Trail Running Headlamp with MCT (Variable CRI Multiple Color Temperatures) Lighting System features a symmetrical arrangement of high-CRI and high-efficiency cores. Paired with a multi-faceted optical lens system, the MCT UHE LEDs create a lighting system with multiple CRI options, color temperatures, and high luminous efficiency. It faithfully renders the true-to-life colors and fine details of outdoor environments, and provides adaptable lighting for complex and changeable outdoor conditions.