... DDP2431 platform graphics chip, designed for the modern business office, development of teaching and home use, the appearance of ... design, to further improve the brightness and contrast of the product.Features1. DLPLink for 3D Projection 2.. Auto Ceiling 3 ... <31dB/28dB(Std/Eco mode)OSD Languages 11languager-English, simplified and traditional Chinese, German, Japanese, Russian, French, Spanish, Arabic ...