TW8823 可以4路摄像头输入，画中画。倒车轨迹，显示原车界面与导航界面切换，可以AUX输入，加装行车记录仪，2路VGA视频输入-The TW8823 incorporates many of the features required to create multi-purpose in-car LCD display system in a single package. It integrates a high quality 3D comb NTSC/PAL/SECAM video d