This 7" USB Monitor is portable and light weight. It acn be used for a variety of applicatons. It is easy to install and easy to use. Simply connect our Smart USB Monitor to your computer with the included cable to any USB Port and run the installation software. That is it. The DoubleSight DS-70U utilizes USB for both power and video. No additional video port, video cable or power adapter required. The DS-70U ships with an adjustable stand for a custom view, including both Landscape and Portrait viewing modes. 3 Year Warranty.