... and ISDB-T are optional)10)2-Zone function ,the 2 program can be setting differently11)Built ... ,DIVX,JPEG,MP3 and WMA playback 14)Car backing display: Car reverse camera input (switch automatically) 15) ... 17)AV output/input :2 video out, 4 audio output, 2video input ,2 audio input 18)Subwoofer output ... 20)Maximal power:4X50W maximum power output HOT Double Din Car DVD with 6.95'' touch screen, GPS, ...