The Google Chromecast 2nd Gen NC2-6A5 is a 1080p HDMI streaming media player that allows users to stream their favorite content in high definition. With Wi-Fi connectivity and Google Cast feature, users can easily access online streaming services and send content from their devices to the Chromecast. This unit does not come with a power supply unit, making it convenient for users who already have a compatible power source. The compact size and easy setup make it a versatile option for enhancing your home entertainment experience.