... consumption,low cost,large viewing angle and long lifespan. 2.Show all kinds of word,text,graph, pictures, flashes, video,2 ... synchronously. 3. Different signal resources input are acceptable, such as TV, HCTV, S- video, NTSC/PAL,DVI, AVI, VGA, SDI,MOV ... .It can be used in square,advertisement, stage, stadium, exhibition, TV- Show,mansion video wall, shopping mall, banks, schools, bus station, airport ...