perfect for work: This VGA KVM switch can control 4 PCs via 3 USB devices and 1 monitor. This switch has 3 USB 2.0 ports can recognize USB devices such as , hard drives, printers, scanners, etc. Not only can it save a lot of storage space on these devices, but also the cost of , which gives you great flexibility.2-In-1 KVM cable: With the 2-in-1 KVM cable you can one KVM cable for VGA and USB data transfer, while other KVM switches two separate cables for transferring VGA and USB data. In , our products make your workspace and your life more efficient, convenient and .High resolution: This KVM switch's resolution up to 1920 * 1440 and supports a super widescreen display. Support for DDC and high-quality auto-identification.Fast switching: you can easily and conveniently switch between 4 computers by pressing the buttons on the wired desktop controller.High compatibility: It is widely used for business, office, personal studio, multimedia teaching, video conferencing, game room, home theater, research test, etc. Compatible with for /8 / 8.1 / 7 / XP / Vista / / Linux system.Specification:Interface protocols ------ USB 2.0Input: 4 PC MAX ( + USB 2 in 1)Output: * 1 + USB * 3Switch mode: panel button, external controllerResolution: 1920*1440Support hot- pluggingColour:Photo ColorMaterial:ABSPackage Contents:1 * KVM switch4 * KVM cable1 * Wired switch buttonOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.