Features 1.4 IN 1 OUT: KVM switcher connects the HD multimedia interface HD screen of four computer hosts with USB signals to the switch, enabling multiple computers to share one monitor and one set of mouse and keyboard. 2.INTERFACES: HD KVM switcher supports four HD multimedia interface inputs and four USB inputs, one HD multimedia interface output, mouse and keyboard inputs, and USB HUB function. 3.COMPATIBLE: HD KVM Switcher is compatible with HD multimedia interface 2.0b, DVI1.1, HDCP2.2. Video resolution up to 3840x2160 and 60Hz, 18Gbps. 4.SUPPORTED FORMATS: HD multimedia interface KVM switcher supports RGB4:4:4, YCBCr4:4:4, YCBCr4:4:2, YCBCr4:4:2. Supports sound formats LPCM, 5.1, 7.1CH, 5.1CH. 5.STATIC PROTECTION: 4K HD KVM switcher has built in ESD static protection for safer use. Plug and play, no driver required, more convenient operation. specificationItem Type: KVM Switcher_x000D_ Material: Metal_x000D_ Model: KC 401CY_x000D_ HD Multimedia Interface Version: HD Multimedia Interface 2.0 (DVI 1.1 Compatible), HDCP 2.2_x000D_ Transmission Rate: 18Gbps (6Gbps Per Channel)_x000D_ Resolution: 3840x2160 and 60Hz_x000D_ Power Supply: USB 5V_x000D_ Power Consumption: Maximum 4W_x000D_ Remote Control Battery Type: 2 x AAA Alkaline Batteries (not Included) PackageList1 x KVMSwitcher 4 x USB Cable 1 x RemoteControl 1 x InstructionManual