4-port manual KVM switch with mini pocket design, lightweight and easy to use. USB 2.0 ports support standard mice and keyboards. Compatible with Windows 3.X, Windows 95/98/98SE/ME/2000/XP/Vista, Windows NT, Netware, Unix, and Linux. Supports hot-swapping, allowing computers to be connected or disconnected without turning off the KVM switch or the computer. High video quality with resolution up to 1920 x 1440 and bandwidth of 250MHz. No software required; switch between computers using front panel buttons. Features automatic scanning mode to monitor connected systems. LED indicators display port and system status. Audible beep tone confirms port switching. Supports SVGA, VGA, and multi-sync monitors. No external power supply required. Computer Ports: 4 Console Ports: 3 USB Ports: 7 Number of Computers Supported: 4 Keyboard Emulation: USB Mouse Emulation: USB Keyboard Input/Output: USB Mouse Input/Output: USB VGA Input/Output: High-Density D-Sub 15-pin LED Indicators: 4 Shares USB devices such as USB printers, USB scanners, USB flash drives, and USB hubs. This KVM switch allows control of multiple PCs from one keyboard, mouse, and VGA monitor. Full keyboard and mouse emulation ensures smooth boot-up across all connected systems. Cables not included. Connection instructions: Connect VGA output from Computer A to PC1, VGA from Computer B to PC2. Connect USB keyboard, mouse, or printer to the three USB console ports. Connect USB cable from Computer A to USB1, and from Computer B to USB2. Color: Black Material: ABS Dimensions: 15 x 8 x 6 cm Package Contents: 1 x KVM Switch Note: Light reflection and differences in display screens may cause slight variations in color appearance. Measurement error allowance is +/- 1-3 cm.