... train&bus station, air port, telecommunication LED panel system for information showing and instruction, 2.High Contrast: 4000:1, which is ... system 4.Clear vivid image quality even in direct, full-on sunlight to ensure you attracts more audience to get ... Brightness: 7000-nit brightness( for outdoor full color) (2000 nits brightness for indoor full color)capacity throughout product lifetime of the ...