... full HD resolution 2,20,000 hours lamp life 3,2000:1 contrast ratio 4,DLP technology ... projector with multiple input options including VGA, AV, USB, and SD card for business presentations, home entertainment, ... Memory: 4GB* External Memory: Supports memory expansion with USB, SD card slot (up to 8 GB)* Lens ... home-theater/portable-dlp-projector-with-vga-av-usb-and-sd-builtin-4gb-memory/#.T9rN9nnOhvAOR>>http://www ...