The space of 400 square meters is only the venue, and the holographic projections are all on the wall, so the height of the floor will have a great influence. The height of a three-meter projector is quite different from that of a six-meter projector. When Huace Culture Technology makes a holographic wedding plan for the hotel, it will determine the price according to the specific height, stage size, brightness, number of projectors, film content, central control system and so on.