... (DVB-T and ISDB-T are optional)10)2-Zone function ,the 2 program can be setting differently11)Built in GPS function ... ,Portuguese,Arabic. 17)AV output/input :2 video out, 4 audio output, 2video input ,2 audio input 18)Subwoofer output 19)Compatible ... ,MP3,MP4,CD-R,CD-RW,VCD,DIVX,WMA and so on.20)Maximal power:4X50W maximum power output HOT Double Din Car ...