The Xfinity XiOne-SC B Stream Box SCXI11BEI is a black streaming box that offers high-definition viewing with a maximum resolution of 2160p. It features HDMI audio/video outputs and supports 4K content. With Wi-Fi and Ethernet port connectivity, this Xfinity device allows for easy access to streaming services and online entertainment. The included power supply and remote ensure seamless operation and control of your viewing experience.