Features: Support USB wireless device. two computers share a USB device. Switches installation is simple, do not need to install any additional software, direct use of cable can be connected to the computer equipment. Under the normal operation of computer, do not need to turn off the KVM switches and computers can plug in or unplug the connected with computer. Without external power supply, the host server automatically assigned, plug and play. Portable design, may be placed on the table Apply to the securities market, office, remote education, multimedia education, tutorials, central control computer multimedia demonstration and other industries. Package Includes: 1 x KVM Switcher Specifications: Item: 2-Port Manual KVM Switcher Material:ABS Monitor Connections: 1 Ports Interface Type: USB Resolution: 1920 x 1080 Package: Yes Computer Connections: 2 Ports Color: Black Input: 2 Port Usb Output: 1 Port Usb Switching method: Panel button switch Support :USB wireless device; DOS,Win3.X,Win95/98/98SE/2000/ME/XP/win7/win8,WinNT,Netware, Unix,Linux system note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.