1.7inch HD touch screen 2.can upgraded system,CE6.0 3. ... us$8/pc addedNo map card insideRear-view guiding DVD player TV box Details:7" DVD player with Touchscreen, TV, GPS, steering ... free3. SD card slot, USB port support mp3, mp4, Divx, WM etc. Compatible with mp4/mp3/DVD/VCD/CD/CD ... clock function8. One channel video input,two channel video output; Two channel audio input, three channel audio output.9 ...