Feature No power supply required 3 standard VGA female ports 2 in 1 out Plug and play No additional software needed Support VGA, XVGA, SVGA, UXGA and Multisync display Not support DDC, DDC2,DDC2B Enables 2 computer to share 1 monitor, projector. or conversely, 2 monitors, projectors to share 1 computer not simultaneously Two press button switch for changing the VGA signal control A 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 Specification Device Type:2 PC to 1 Monitor VGA Switch Box Interface Type: 3 standard VGA female (2 in 1 out) Package include: 1 X 2 Port VGA Switch Box. vga switch 2 port