1:car audio player,double din car dvd with 6.2inch fit panel ... :DVB-T/ISDB-T optional functi car audio player,6.2inch 2din for universal model*M-star 776 Solution With 3D Menu ... output/input :2 video out, 2audio output, 2video input ,2 audio input17)Subwoofer output18)Compatible with DVD,DVD-R,DVD-RW ...