LIFELIKE COLORS & IMAGES: Quantum-dot technology enables brighter, more vivid, and accurate colors when viewed from wider angles. QLED offers an increased color gamut and improved picture vibrancy over conventional LED displays for optimal visibility. DOLBY VISION & HDR 10+: Improves picture quality with expanded contrast by reproducing brighter brights, darker darks, and providing a greater range of colors in-between. Enjoy your movies and 4K programs with greater detail and immersiveness. | Westinghouse 50 Edgeless QLED 4K Ultra HD Roku TV (WR50QX400) | Quill