How to select LED display is a complicated process,there are many factors to be considered. Here, what we put forward is basic select guideline as your reference.

STEP 1 Displaying function
For video, graphic display purpose: select model with gray scale grade. For example: Dual-color LED display, Full-color LED display
For graphic, character text display purpose: select model without gray scale grade. For example: Single-color LED display, Dual-color LED display.

STEP 2 Operating environments
Indoor: select indoor LED display. For example: Pixel pitch between 30mm and 12mm.
Outdoor: select outdoor LED display. For example: pixel pitch between 16mm and 31.25mm.

STEP 3 Viewing distance
For long viewing distance: select smaller pixel density of LED display.
For close viewing distance: select larger pixel density of LED display.

STEP 4 Display dimension
Display character: select pixel pitch 16mm, 24mm, 32mm, 48mm and 64mm. according to the character quantity, calculating the dimension.
Video display: physical pixel density is more than 60,000 dots, according to the pixel quantity requirement, calculating the dimension.