... DDP2431 platform graphics chip, designed for the modern business office, development of teaching and home use, the appearance of simple, ... , 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 ...