led traffic display screen Energy-saving LED display. led traffic display screen1. Function and Technology Character (1) Multiplied file formats, such as AVI, MOV, MPG, DAT, VOB are comprehensive, and also we have three display mode as VGA+VIDE and VGA. There are also interfaces for Sound signal and video signal. (2) 4096 grade grey control system and the color is over 16.7 millions, and the ...