Features: Self-developed software, easy to operate, simple and easy to use, no need for cumbersome operatates, the interface function is clear and concise. One line direct connection Just one USB cable or 9PIN cable can complete the power supply and data transmission, easy to connect the device. Supports boot-up, easy switching, brightness adjustment, convenient and quick. Does not affect the performances of the computer Does not slow down the performances of the computer, the use of supporting software, only takes up a small amount of GPU resources. Does not affect computer operates： The chassis secondary screen is a USB device, the mouse will not move to the secondary screen. Specifications: Size: about 19.36x12.38cm/7.62x4.87in Support：1280x800P IPS Screen Connection： USB Data Line or 9Pin Cable Package Includes: 1PC 8inch USB Secondary Screen note: Due to problem of lighting effect and shooting, there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurment.