This is the rehearsal for the most important and symbolic stage show in China — Spring Festival Gala in 2013, with Fi 4 mm super clear die-casting aluminum led panels. Not only the background, but also the whole ceiling were covered by Fi 4 led screens. To meet the stereo stage, Fi 4 were arranged based on the stage, which ensures very vivid performance, especialy when video displaying on the screens, audiences are just like enjoying the real stories in real life. After this big show, Fi won great reputation as super HD and vivid video quality, high stability, and flicker-free video performance. Besides such big shows, Fi is also very suitable for any indoor concert, TV Station, club, wedding, celebration, etc.