Product Description & How to Use: 
 
- Efficient Multi-Device Control: Allows up to 4 computers to share one monitor, keyboard, mouse, and printer, streamlining workspace management. 
- Versatile Connectivity: Supports 4 PC inputs, 1 VGA output, and 3 USB 2.0 ports, enabling seamless switching between devices. 
- Plug & Play Setup: No drivers or external power required, ensuring quick and hassle-free installation. 
- High-Resolution Support: Delivers up to 1920×1440 resolution, with DDC and automatic identification for optimal display quality. 
- Wide Compatibility: Works with Windows, Mac, Linux, DOS, making it ideal for offices, gaming rooms, multimedia teaching, and research labs. 
- How to Use: Connect multiple computers, attach peripherals, and switch between devices effortlessly. 
 
Specifications: 
 
- Product Type: VGA KVM Switch 
- Ports: 4 PC Inputs, 1 VGA Output, 3 USB 2.0 Ports 
- Resolution Support: Up to 1920×1440 
- Compatibility: Windows, Mac, Linux, DOS 
- Application: Enterprise, Office, Gaming, Multimedia Teaching, Home Theater, Research Labs