... . 7 inch high-definition TFT LCD Automobile Headrest DVD Player Description: 1) Easy to install an it ... TFT LCD 16:9 screen 3) Compatible with MP4, DVD, VCD, SVCD, CD, CD-G, MP3, JPEG, ... installation pole diameter for the head rest that the DVD monitor, then the adjustment head rest steel pipe ... pipe, and connected on the power source, the sound and video frequency system with the vehicle, simultaneously ...