Excelity2 Port VGA USB2.0 Manual KVM Switch Box PC Monitor Console for Computer Keyboard Mouse With 2 VGA Adater Special design for high speed data,Sharing interface,standard USB 2.0 Support DOS,Win3.X,Win95/98/XP,Win NT,Netware,Unix,Linux ,Win 7,Win 8 Support wide screen,resolution up to 1920*1440 No external power required Support online games and DVR