[4 Port VGA KVM Switch ]USB VGA KVM switch allows you to share one USB keyboard, USB mouse, and VGA monitor to control 4 computers.It includes 4 cables , VGA and USB cable are 2 in 1. [HD Output]This USB KVM switch supports HD image or video, wide screen and resolution up to 1920 x 1440 (including 1080P 720P 480P). Supports DDC and Automatic Identification high quality output. [Universal Compatibility]Support /Linux/ OS.The high-quality new chipset,effectively reducing the computer crash, mouse and keyboard freezed undesirable phenomena. [Easy to Use]Plug and play ,One-Button Swapping,without Adapter and software.With a USB-hub ports for sharing external hard drives, printers, scanners, etc. Colour: black Material: metal Package Contents: 1 * KVM Switch 4 * Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.