[4-Port Control & USB Sharing] Efficient vga switch 4 input 1 output allows controlling 4 computers with one monitor, keyboard, and mouse. Features 3 USB 2.0 ports to share printers or U-disks without constant unplugging. Plug and Play, no drivers needed. [Button Switching Only] Designed for simplicity, this vga kvm switch model features a physical push-button interface to act as a dependable monitor switch between 4PCs. Note: This model does not support keyboard hotkeys or remote control. It is strictly a manual switch, ensuring stability and compatibility without complex software requirements. [Resolution] Supports video up to 1920x1440 with 350MHz bandwidth. Delivers sharp images for office work or DVR monitoring via this computer monitor switch box. [Broad OS Compatibility] Compatible with windows 10/8/7 / XP / Vista (32/64-bit), Mac, Linux, DOS, Win3, WINNT, Netware, and Unix. Warning: Not recommended for Docking Stations, or Adapters. Please connect directly to computers with native VGA ports to ensure stability. [Package Contents]: Includes 1×4 Port VGA KVM Switch, 4×KVM Cables (1.2m), 1×User Manual;Powered directly through USB, requiring no external power adapter. Crucial Installation Step: You MUST use the included 4 sets of specific "USB/VGA Combo Cables". The USB connector on the cable provides both data and power; connecting only the VGA head will result in the device not working. Arvitek 4 Port USB VGA KVM Switch box allows you to control 4 computers with only 1 set of controls (Mouse , Keyboard , Printer and Monitor).It comes with 4 KVM cables.