Product Description: Specification: Interface: HDMI Color: black, silver Size: As shown in the figure Package Includes: 1/2 × TV Streaming Device Note: 1. Due to different manual measurements, please allow for slight size differences. 2. Due to differences in different monitors, the picture may not reflect the actual color of the item. 3. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings. Specifically that the role is: to simulate a display, the main use are: Remote control of the computer screen resolution can be set very high, not the lowest resolution black screen state. Scientific calculation of the graphics card to work properly, heat normal. To solve the mining without reason to stop, the graphics do not work the problem. Display the main advantages of the virtual machine: Up to 4K resolution can be simulated, ie 3840 * 2160 resolution. Small size, the latest chip, low power, no heat.Support plug and play, hot plug.No need to drive, support all systems.