... InterfacesBasic2HDMI, VGA, AV,Audio,TV,3USB inputs USB(500G Hard-disk, 500G U-disk support)VideoRM,RMVB,DVI,AVI,DIVX,AVI,MKVall types ... at 4 corners even keystone appears:Quality Control Certificates: wholessale price for 500lumens new dlp projector LX-C7 with double HDMI ...