Now many hotels have LED display screens. Many wedding companies also offer LED display rental. If you want something affordable, find a hotel with a big LED screen. If the hotel you are looking for doesn't have two banquet halls, look for a big-screen rental company or a wedding company, and they will naturally find a way to solve it.

Actually, it's very simple. Just connect the video cable of the camera to the video processor on the other side of the big screen.