Product Description 2 Port VGA switch allows two CPUs or devices to share a single display device device like monitor or projector with just press of a button - switching the button to select a different display at a time, but cannot be displayed simultaneously. It does not use any external power. Coming with it's compact size and light weight, it is portable and easy to carry while travelling. It is a perfect device for Connecting a projector and monitor and if you have single monitor between 2 pcs and want to operate them one by one This is a compact and convenient VGA bi-directional manual switch. It allows 2 PCs to share a VGA display, or switching 1 PC between two displays. Designed for securities market, education, public system, video broadcast system and other environments. Plug and play, no power supply needed. Package Includes VGA Switch and User Manual. Specifications: -2 Port Simple VGA Switch (2 x 1) Metallic Body (Matt Finish) Key-press Switch Resolution: up to 1920 x 1440 No power supply required Note: This VGA switch cannot send one VGA signal to 2 monitors at the same time (NOT a splitter).