1. P4 indoor full color screen is suitable for indoor use and display pixel is made up from red, green, blue ultra-high brightness LED with the light color. Video, cartoon and other multi-media forms as well as picture, word information could be demonstrated and choose the program source by shifting.
2. Screen play control software is easy to operate, initiate the computer once the broadcasted programs are set up and connected to electricity without any sophisticated initiating software to be configured.
3. The design of the whole system should take full considerations of customers` requirements on function, the design of software and hardware should be equipped with necessary function and be added with possible additional color debugging and light debugging function, the effects of light and color after configured is with 3% superiority.
4. The maintenance cost of display screen is relatively low and it is easy to maintain. In terms of module structure designing, impeccable protection measures are added to make sure the steadily functioning of display screen in different abominable seasons and environments besides ensuring high installation accuracy.

5. Simple maintenance, light weight, stable performance, long working-life, low fuel consumption.