U-Click is a wireless presentation system. It can easily capture the screen content of mobile phones and computers through wireless video transmission technology or collect video information from video sources such as set-top boxes and DVDs. It can be transmitted in real time via Wi-Fi. Displaying another monitor or projector, also known as a wireless image, is like mirroring, copying the contents of one screen to another screen without delay. The U-Click black model adds multi-screen display function, which supports two-screen/four-screen simultaneous display, avoiding the trouble of frequently switching screens, making the conference operation easier, and multi-screen contrast display, making the data comparison more vivid. Improve the efficiency of the meeting.