4 Port VGA Splitter Powered 1 in 4 Out for Video Screen Duplication

With this 4 Port VGA Switch you can make that 4 computers share 1 monitor, projector. Conversely, make 4 monitors share 1 computer, projector but not simultaneously. Convenient to switch--just press the relative button. No additional software and external power supply needed.

This VGA switch may be used in security setups where monitoring different areas of a building is required and switching between multiple inputs is a necessity , Ideal for presentations, classrooms, control center, remote monitoring & training facilities.

Enable multi computers to share one monitor , projector or, conversely, make two monitors, projectors to share one computers not simultaneously.Fully shielded metal casing and easy to use push buttons;Auto-detect display DDC information for the optimal resolution,No External Power Supply Needed.