1.Electrical Reading Magnifier Low Vision 2.Pixel:5 mega 3.Max support size:A4 4.Can offer OEM service Product Feature1,Hd scanning,automatic focusAdopt high quality 5mega HD CMOS, owns auto-focus function, imaging up to professional standard.2,Real projection, vivid feelingConnect with projector, match with the present platform, project the real object into the big screen, makes the meetings, ...