... and output functions 3. 7 inch high-definition TFT LCD Automobile Headrest DVD Player Description: 1) Easy to install an it will not ... by himself2) 7 inch high-definition TFT LCD 16:9 screen 3) Compatible with MP4, DVD, VCD, SVCD, CD, CD-G, MP3 ... original installation pole diameter for the head rest that the DVD monitor, then the adjustment head rest steel pipe spacing, passed ...