IOGear GCS661U the USB laptop KVM switch is the latest innovation from IOGEAR, combining easy switching and convenient file transferring between two computers. It allows the user to seamlessly control a second computer with a laptop as the console. The KVM features a toolbar with multiple functions such as file transfer, desktop image scaling and others. With its desktop image scaling, user can adjust the resolution of the remote screen for best possible viewing, simply with the click of a button. The built-in file transfer utility software lets the user drag & drop any files or create backup copies between both computers, or from external USB storage devices. The extra USB port provides a means to connect a USB peripheral device, such as an external hard drive to the laptop. The GCS661U offers a complete easy to install out-of-box, Plug & Play solution and with no additional cables needed. It is ideal for people who own a laptop and an older desktop PC and wish to keep using both for various functions or applications.