Feature: 1. Applicable Devices: Input with a PC or laptop, output with a projector, LCD screen or TV. Enables multiple PCs or laptops (or other VGA sources) to share a single VGA display or projector. 2. 1920x1440 Resolution: This VGA switch box is suitable for normal displays. When installed correctly, it can obtain images with 1920x1440 resolution. Therefore, please check all technical parameters before purchasing. 3. Support Sharing: You can let two computers share one display and projector, or on the contrary, let two displays and projectors share one computer not simultaneously. 4. Easy to Use: Fully shielded metal case, easy to use buttons. Automatically detects display DDC information, and for optimal resolution, no external power supply is required. 5. Versatile: This VGA switch can be used for security setups where different areas of a building need to be monitored and where switching between multiple inputs is required, ideal for presentations, classrooms, control centers, remote monitoring and training facilities. Specification: Item Type: 2 Port VGA Switch Material: Iron Box Color: Black Output Interface: VGA Input Interface: VGA x 2 Support Resolution: 1920x1440 Scope of Application: PC, TV, Display, Etc.. Package List: 1 x 2 Port VGA Switch Note: Please check if your display doesn't need DDC, DDC2, DDC2B protocols, if your display needs DDC protocols, it can't achieve 1920x1440 resolution.