2-in-1 plug and play, no additional software is needed to support VGA,XVGA,SVGA,UXGA and Multisync monitors. DDC, DDC2 and DDC2B are not supported. Two computers are allowed to share one monitor and projector.Or conversely, two monitors and projectors share a computer, instead of using two button switches for changing VGA signal control at the same time.VGA switches can be used in security settings where different areas of a building need to be monitored and multiple inputs must be switched. Equipment type: 2 computers to 1 monitor VGA switch box Interface type: 3 standard VGA sockets (2 in and 1 out) Resolution: 1920*1080 Product name: VGA binary input and one output video converter Color:Black Material:ABS Package Contents: 1 * VGA Switcher 1 * USB Cable Only the above package content, other products are not included. Note: Light reflection 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.