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Difference between led screen model p4.75 and diameter 3.75

The description of P in LED display industry is "point spacing".

For example, p4 indicates that the distance between lamp beads is 4 mm.

P 10 means that the distance between lamp beads is10 mm.

One thing to note here is that many manufacturers will bring other letters on their products to distinguish the models.

Here, p4.75 and 3.75 indicate that the distance between lamp beads is different. Literally, 3.75 should be clearer.

You can go to Wanpinghui, where there are many manufacturers and engineers.