Samsung UN55JU640DFXZA 4K 120Hz 55" Smart LED TV, Black (Certified Refurbished) Enjoy incredible picture crispness and dramatic detail, no matter how big the screen, with 4X the resolution of full HD. Enjoy incredible shades of color, as nature intended, with technology that accurately blends primary and secondary colors for spectacular picture performance. Experience UHD picture quality with deeper blacks, purer whites, brighter colors, and enhanced detail in every image. Upgrade all lower resolution media to a stunning near ultra high-definition experience with enhanced detail and optimized picture quality. Energy Star Compliant