Features: Eefficient 4 Port VGA Switching Box, allowing you to connect and Switching between four computers on a single screen effortlessly. Boasting a high resolution support of up to 1920x1440, our VGA Manual Switching ensures clear display quality Metal casing strong protective box，and without the need for additional software or power supplies. For IT professionals, educators, and enthusiasts for a streamlined solution to manage multiple PC without compromising on display quality. Perfect for various setting such as offices, classrooms, or home studios where multiple computer setups are used and space saving is a priority. Specifications: Item: 4 Port VGA Switching Box Size：about 134x89x39MM/5.28x3.5x1.54in Resolution: 1920x1440 Package Includes: 1Set VGA Switching Box note: Due to the problem of lighting effect there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.