1.the unique design: integral machine design and assembly technology make the cabinet get lowest damage in the transportation and installation and it greatly improve the product reliability. 2.the excellent environment adaptation: It can be automatically adjusted according to the surrounding environmental light , and the new design module mask improve the contrast ratio of the screen effectively. 3.the high refresh rate provide you the precise picture without flicker, 4.high quality, the pixel pitch is 12mm, and the best viewing distance is 41m, 5.the long life span for working reach 10000 hours,.