The TESmart Dual Monitor KVM Duel 4k 30hz is a versatile device that allows users to easily switch between two monitors with high resolution capabilities. This unit includes a power cord and cables for convenience, and has been tested to ensure it works properly. With a sleek black design and a 1-year manufacturer warranty, this KVM switch from Tesmart is a reliable and efficient solution for those looking to enhance their computer setup. turns on and all the buttons work. comes with 4k hdmi cables. sold as is.