... Native Resolution WXGA1280x800 3 *HDMI, 2 *USB Inputs Warranty: 2 years for projector Home Theater ... better color performance. Meanwhile, Optional USB, SD card reader, or DVB-T/CMMB/ordinary analog TV function ... (different models of different I/O), which USB / SD ... 1Multimedia Interface3*HDMI(Support 1.1-1.3), 2*USB (Support Hard Disk), VGA (PC),YPbPr, S ...