Showing DVD or Radio in small window while Navigation working. Listening music or radio while Navigation working. A rear view camera dramatically eliminates blind spots, making it safer and easier to park and reverse your vehicle(optional). Wide digital screen, 800*480 high definition display, full surround HIFI sound, driving will be no longer boring. Supporting DVD/VCD/CD/MP3/MPEG4/DIVX/CD-R/WMA/JPEG. 16:9 fixed DIGITAL TFT LCD monitor, 800*480 resolution touch screen. Built-in GPS