FEATURES 1. Easy setup and tear down Modular design facilitates quick installation and disassemble. Every module includes interlocks, external signal and power sockets. 2. Revolutionary black SMD to dramatically increase the contrast. 3. High reliability with the data hot backup, to avoid any communication risk during the show. 4. High refresh rate Refresh rate up to 4200Hz, completely flickering-free for live video. 5. Superb brightness and color uniformity Brightness varaiance within +/-2.5%, outstanding color uniformity and reproduction. 6. Wide viewing angle