1、High Tech Decoding: The 4K HD Multimedia Interface KVM switch box lets you control 2 computers with just one set of controls and display (mouse and keyboard). Built in high performance chip, using high tech decoding, plug and play, no driver required. 2、High Resolution: Up to 4K x 2K 30HZ (3840x2160), 3D, backward compatible with 1080p 60Hz; automatic resolution recognition, HD Multimedia interface supports DDC function, support computer terminal to read display information, support computer terminal to read monitoring information, automatic adjustment resolution. 3、Compatible: Compatible with PCs, laptops, projectors, audio/video receivers and most devices that support the HD Multimedia Interface. Compatible with for Win7, for Win8, for Win10, for XP, for Vista, for OS X system. High speed transmission without delay, without loss of picture and sound quality. 4、USB Port Power Supply: The USB HD Multimedia Interface switch is designed with a button, one key to switch freely between 2 computers. Powered by USB port, no power adapter needed, plug and play, support hot swap. 5、Shared Printing Equipment: Shared printing equipment is both a KVM switch and a USB printer sharer. Two computers share one printing equipment, saving office costs. Support keyboard, mouse, printer and other USB device sharing. 1 x HD Multimedia Interface KVM Switcher2 x USB Cable1 x User Manual Item Type: HD Multimedia Interface KVM SwitcherMaterial: Aluminum AlloySize: Approx. 108 x 54 x 26mm / 4.3 x 2.1 x 1.0inInput Ports: 2 x HD Multimedia InterfaceOutput Port: 1 x HD Multimedia InterfaceHD Multimedia Interface Standard: HD Multimedia Interface 1.4HD Multimedia Interface: HD Multimedia Interface A InterfaceUSB Interface Protocol: USB 2.0PC Input Interface Type: USB BPC Output Interface Type: USB AResolution: Up to 4K x 2K 30HZ (3840x2160), 3D, Backward Compatible with 1080p 60HzSwitch Button: Switch PC1, PC2Power Supply: Powered by USB PortPower Consumption: Maximum 2W