Specifications:HDMI version: HDMI 2.0Input Port: HDMI 2.0 x 4, USB x 2, USB 2.0 x 3, Desktop controllerOutput Port: 2x HDMI2.0HDMI signal bandwidth: 14.9GbpsHDMI cable length: 1.5 metersDesktop controller cable length: 1.5 metersMaximum supported resolution: 3840 * 2160/60Hz (backward compatible)Shell material: Iron shellProduct size: 152mm * 54mm * 21mmSupport system: For Windows 97/ 98/ 2000, For Windows XP/ 7/ 8/ 10, For Linux/ For Mac OS/ For iOS and other systemsPower supply: DC5V1ATwo switching methods:1. Desktop controller switching2. Key switchingFeature:HDMI KVM USB switch dual monitor: This KVM Switch allows control 2 computer with one set of controls (keyboard and mouse) and two display screen. Realizes 2 in and 2 out free selection synchronous switching. You can centrally control and manage hosts laptop or game console without having to move from one workstation to another.4K Visual Enjoyment: The kvm switch supports HDMI 2.0 and standard HDCP 2.2. Support max resolution up to 4K@60Hz, Downward compatibility with 1080P/720P.With desktop controller: Using a desktop controller to make your work more convenient.Product List: 1x Kvm switcher, 1x Desktop controller, 4x HDMl cable, 2x USB cable, 1x 5V Power adapter, 1* User manual.Remarks!!!1. To support dual display, your pc's video card must be capable of supporting 2 HDMI out simutaneously.2. To use the extended and spliced display function, your video card must be capable of doing so. As the dual monitor HDMI KVM Switch display only what was connected to the input. It is a bypass swicth and it can not processing those function by itself.