RIJER 8 Port Manual Smart VGA USB KVM Switch PC Computer DVR Selector 1 KM Combo Controls 8 Hosts with Extension Switcher and 8PCS Original Cable Control MethodRemote Switch and Button Press Switch, NOTE: Not Support Keyboard Switch Main Function Device with 8 LEDs (PC1, PC2, PC3, PC4, PC5, PC6, PC7, PC8), a USB 2.0 port, VGA port maximum resolution 1920x1440! It can conecnter the keyboard and mouse to 8 PCs, PC screen / keyboard / mouse control. Support System DOS support, WIN DOWS9X, NT, WIN2000, WINXP, WIN7, LINUX, NOVELL and other operating systems. SecurityEasy to install-Connect and Operate, USB 2.0 Port, 8 KVM cables included for instant connection to your PC, high quality and durable cables, designed to offer security and stability in the process of access and operation . Applicable place Internet data center, information control center, telecom paging system, securities / futures trading system, data center industry Control environment, teaching environment, test center, video surveillance, power plant monitoring, etc.