KVM switch 4 USB 2.0 ports USB/VGA connectors Easy installation and operation: plug and play with no driver needed Control 4 PCs on 1 Monitor: 4-Port KVM Switch Box allows you to connect USB keyboard, USB mouse and monitor to 4 PCs, easily controlled by the button on the top. It is compatible with 98/98SE/2000/ME/NT/XP/VISTA/XP 64bit/Vista 64bit/Win 7/Netware/Unix/Linux/Mac Small, compact design: Easily fits into almost any environment while saving desk space and reducing clutter, for workstations, test benches, or anywhere you need to do cross-computer tasks Technical features This product allows you to control up to 4 PCs with a single set of keyboard, mouse and monitor. Switch between computers by pressing a button on the KVM switch, max resolution 1920*1440. Easily installed, plug and play with 4 LED indicators; it is excellent for workstations, test benches. Compatible with for WIN98/98SE/2000/ME/XP/Win 3/Netware/Unix/Linux. Share USB devices like USB printer, USB scanner, USB flash drive, USB HUB, etc.   Specifications Model: KVM41UA Supported computers: 4 LED indicators: 4 PC Select: Button Keyboard type: USB Mouse type: USB Keyboard input/output: USB Mouse Input/Output: USB VGA resolution: 1920*1440 Bandwidth: 200MHz Black colour Item Size: Approx. 15.3cm*6.5cm*2.3cm Item Weight: Approx. 163.4g  Package Size: Approx. 16.2cm*8.5cm*2.9cm