It adopts plug and play and USB-powered design, which is easy to use without power supply.With HD-compatible resolution output and mirroring expansion method functions, it brings you highly clear image and shows different contents on two screen.Made of high-quality aluminum alloy material, it is solid and durable. It can expand two independent displays through the computer's USB 3.0 interface, and can be extended to the same display screen or different displays, and is compatible with the computer's USB2.0 interface.The length of the product is 52cm, the width is 5.2cm and the height is 1cm.It is compatible for Windows 7/8/8.1/10, for MacBook and for ChromeBook. Before use, you need to install the driver, connect the device correctly and use it. For the driver download address, please refer to the user manual for MacOS system needs to download the corresponding driver version. It can output two highly clear pictures with 1080P@60Hz resolution at the same time, and it can also output a 3.5mm stereo. (Note: When the 3.5mm jack is connect, OUTA and OUTB will not output sound). It can also mirror the computer screen to two independent monitors for display, it can also extend different application windows to two independent monitors to obtain different images, which is very suitable for data comparison and securities monitoring.Item Name: HubMaterial: Aluminum AlloyColor: GreyFeatures: Two Screen Display, High Resolution, Easy to UseSize Details: 52cm x 5.2cm x 1cm/20.47" x 2.05" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Hub