The "Tivax HiRez7" widescreen LCD portable Digital TV with advanced ATSC digital tuner for high performance! Enjoy your favorite televisprograms anywhere. Take it camping, hto a sports game, in a car or use during emergencies. Advanced technology is built into the high quality Tivax HiRez for unsurpassedvalue. It can also be used as an external monitor to play video games, watch DVDs, etcThe optional USB cable connects to other USB devices like U disk or mp3 player to play picture/audio/video, including JPEG, MP3, AVI, MPEG 1/2/4, DIVX format.